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Wellesley MA weather forecast for Sept. 4-12, 2025

September 4, 2025 by Matthew Moll

weather consultingHere’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

Weather Outlook: September 4 to September 12, 2025
A warm front late Thursday night into Friday brings a brief chance of showers, followed by a warm and humid stretch Friday into Saturday. Scattered thunderstorms, a few possibly strong, may develop Saturday afternoon and evening with a passing cold front. Behind it, cooler and drier weather settles in Sunday through much of next week, with crisp mornings and comfortable afternoons. Highs return to the low/mid-70s with lows dipping into the 40s and 50s early next week, before moderating slightly again by midweek.

Thursday, September 4 – Warm sunshine
High pressure keeps conditions pleasant. Skies are mostly sunny, with highs around 80 and comfortable humidity. Clouds increase late at night as a warm front approaches, with patchy fog possible toward morning.
• High: 78–80°F | Low: 60–62°F | Wind: S 5–9 mph
• Sky: Sunny, increasing clouds late
• Chance of rain: 0% day, 30% overnight
• Dew point: 56–60°F


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Friday, September 5 – Morning showers, then warm & humid
A few showers linger early, then skies turn mostly sunny. Temperatures climb into the mid-80s with a humid feel. Breezy south winds add to the late-summer warmth.
• High: 84–86°F | Low: 67–69°F | Wind: S 9–11 mph, gusts 20+
• Sky: Morning clouds/showers, afternoon sunshine
• Chance of rain: 30% early
• Dew point: 64–68°F

Saturday, September 6 – Hotter, risk of storms
Sunshine dominates much of the day with highs well into the 80s. By late afternoon and evening, scattered showers and thunderstorms develop ahead of a cold front. Some storms may be strong, with heavy rain and gusty winds possible.
• High: 86–88°F | Low: 58–60°F | Wind: S 6–11 mph, shifting NW late
• Sky: Mostly sunny early, storms late
• Chance of rain: 40% day, 60% evening/night
• Dew point: 65–69°F

Sunday, September 7 – Cooler, partly sunny
Behind the front, temperatures fall back into the 70s with a noticeable drop in humidity. A few lingering showers are possible, but much of the day is dry with a refreshing feel.
• High: 72–74°F | Low: 53–55°F | Wind: NW 5–7 mph
• Sky: Partly sunny, stray shower possible
• Chance of rain: 40% early, 10% late
• Dew point: 52–56°F

Monday, September 8 – Sunny and crisp
High pressure builds back in. Bright sunshine, low humidity, and highs in the low 70s make for a comfortable early fall day. A cool night follows, with some spots dipping near 50°F.
• High: 71–73°F | Low: 49–51°F | Wind: NW 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 48–52°F

Tuesday, September 9 – Pleasant, seasonable
Another beautiful day with sunshine and highs near 70. Light easterly breezes keep conditions comfortable. Nights remain cool with lows near 50°F.
• High: 71–73°F | Low: 49–51°F | Wind: N shifting E 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 48–52°F

Wednesday, September 10 – Bright and cool
Clear skies and light winds continue the stretch of fine weather. Comfortable afternoons in the low 70s give way to crisp nights.
• High: 72–74°F | Low: 50–52°F | Wind: Light, turning E
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 48–52°F

Thursday, September 11 – Fair, slightly milder
Sunshine mixes with a few clouds, and temperatures edge back into the mid-70s. Humidity remains low, with another cool night in the low 50s.
• High: 73–75°F | Low: 51–53°F | Wind: E 5–8 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 50–54°F

Friday, September 12 – Classic early fall
Dry, comfortable weather closes the week. Sunshine dominates, with highs in the mid-70s and pleasant humidity.
• High: 74–76°F | Low: 52–54°F | Wind: E 5–8 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 50–54°


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Filed Under: Weather

     

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Wellesley weather forecast for Aug. 29-Sept. 5, 2025

August 28, 2025 by Matthew Moll

weather consultingHere’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

Weather Outlook: August 29 to September 5, 2025
A frontal system brings one last chance of showers and storms Friday, followed by a stretch of dry, beautiful weather through the holiday weekend and into next week. Temperatures run slightly below average at first, with crisp mornings and comfortably warm afternoons, then gradually trend back toward the low 80s by midweek. Humidity stays moderate to low, making for a very pleasant start to September.


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Friday, August 29 – Showers and storms, then clearing

A cold front moves through the region. The morning begins partly sunny, but showers develop mid- to late morning, with embedded thunderstorms possible by midday into early afternoon. Brief heavy downpours could accompany any storm, though severe weather is not expected. By evening, drier and cooler air begins pushing in, with skies clearing late. Overnight lows fall into the mid-50s, making it feel refreshing again.

• High: 75–77°F | Low: 53–55°F | Wind: S 6–9 mph shifting W late
• Sky: Partly sunny, showers/storms midday, clearing late
• Chance of rain: 60% (highest midday–afternoon)
• Dew point: 58–62°F

Saturday, August 30 – Sunny and cooler

High pressure builds in behind Friday’s front. The morning starts crisp and cool, with readings in the low 50s — jacket weather for early risers. Abundant sunshine warms things into the low 70s by afternoon, with very low humidity. Winds stay light out of the west, making for a calm, comfortable day. Clear skies continue into the night, with another cool start by Sunday morning.

• High: 74–76°F | Low: 52–54°F | Wind: W 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 50–54°F

Sunday, August 31 – Bright and pleasant

Another gorgeous day under high pressure. Sunshine dominates from start to finish, and temperatures rise a bit higher than Saturday, reaching the upper 70s. Humidity remains low, and winds are light out of the northwest, adding a hint of crispness to the air. Evening conditions are ideal for outdoor plans with clear skies and temps in the 60s at dusk.

• High: 76–78°F | Low: 53–55°F | Wind: NW 3–6 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 52–56°F

Monday, September 1 (Labor Day) – Beautiful holiday weather

Perfect holiday weather is on tap. The day starts with another cool, crisp morning, then sunshine warms things into the upper 70s by afternoon. Winds remain light and variable, shifting northeast as high pressure drifts overhead. The dry, stable atmosphere ensures excellent visibility — perfect for cookouts, parades, or beach trips. Evening conditions stay mild with mostly clear skies.

• High: 76–78°F | Low: 53–55°F | Wind: NE 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 52–56°F

Tuesday, September 2 – Seasonable and dry

High pressure continues to dominate. After a cool start in the 50s, the day turns bright and seasonably warm. Light easterly winds bring a slightly cooler feel near the coast, but inland areas warm nicely into the upper 70s. Humidity remains very low, making for a crisp, comfortable late-summer afternoon.

• High: 77–79°F | Low: 55–57°F | Wind: E 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 54–58°F

Wednesday, September 3 – Mostly sunny and pleasant

A nearly identical day to Tuesday, with bright sunshine and highs in the mid to upper 70s. Light winds from the southeast keep conditions calm. Humidity stays comfortably low, but dew points edge up just a touch, hinting at a warming trend. Evening skies remain mostly clear, with lows in the upper 50s to near 60.

• High: 76–78°F | Low: 56–58°F | Wind: SE 3–6 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 55–59°F

Thursday, September 4 – Warming trend begins

With high pressure sliding offshore, southerly flow develops. Afternoon highs climb back to near 80, while humidity rises slightly but remains comfortable. Skies stay mostly sunny, making it an excellent day for outdoor activities. Nighttime lows moderate a bit, staying near 60 instead of dipping into the 50s.

• High: 79–81°F | Low: 59–61°F | Wind: S 5–8 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 57–61°F

Friday, September 5 – Warm, late-summer feel

The week ends with a true late-summer day. Sunshine dominates and highs reach into the low 80s. Humidity edges up slightly, but conditions remain far from oppressive. It feels like one of the last warm pushes of summer before more autumn-like weather eventually arrives. A pleasant evening follows with mild overnight lows in the low 60s.

• High: 81–83°F | Low: 60–62°F | Wind: SW 6–9 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 58–62°F


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Filed Under: Weather

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Wellesley weather forecast for Aug. 20-29, 2025

August 20, 2025 by Matthew Moll

weather consultingHere’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

Weather Outlook: August 20 to August 29, 2025
Cooler than normal, low-humidity conditions continue through midweek before temperatures rebound into the weekend. A midweek storm system brings widespread rain, then Hurricane Erin passes well southeast of New England on Friday, producing no direct impacts inland but stirring up rough surf, rip currents, and gusty winds across Cape Cod and the Islands. For most of Eastern Massachusetts, the pattern turns warmer and drier over the weekend. Another front brings a chance of showers late Sunday into Monday, followed by a return to seasonable and pleasant late summer weather midweek.

Wednesday, August 20 – Cool and unsettled with steady rain

Clouds thicken quickly and periods of rain develop by midday. The heaviest showers favor areas near and south of the Mass Pike, but all of Eastern Massachusetts sees at least some rainfall. Temperatures stay in the 60s, making for a damp, raw day. Travel may be slowed by heavier downpours at times.
• High: 65–67°F | Low: 55–57°F | Wind: E 5–7 mph
• Sky: Overcast with rain at times
• Chance of rain: 60% (locally heavy in spots)
• Dew point: 54–58°F


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Thursday, August 21 – Clearing, breezy, and seasonable

Lingering clouds and perhaps a sprinkle in the morning fade as drier air moves in. By afternoon, sunshine breaks through. A northeast breeze makes it feel cooler, but humidity stays low. A refreshing late summer day.
• High: 70–72°F | Low: 56–58°F | Wind: NE 6–10 mph, gusts 20+ mph
• Sky: Morning clouds, then partly sunny
• Chance of rain: 10% (early)
• Dew point: 54–58°F

Friday, August 22 – Mostly sunny inland, windy for the Cape and Islands

Hurricane Erin passes far offshore, too distant for direct rain or wind inland. Eastern Massachusetts enjoys a mostly sunny day with seasonable temperatures and a light breeze. Over the Cape and Islands, gusts may reach 40 mph with rough surf and dangerous rip currents.
• High: 77–79°F | Low: 58–60°F | Wind: NE 10–14 mph, gusts to 20 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 55–59°F

Saturday, August 23 – Bright, dry, and warmer

High pressure takes over. Sunshine dominates, humidity stays low, and temperatures climb into the low 80s. A comfortable summer Saturday with perfect outdoor weather. Evening remains clear and mild.
• High: 82–84°F | Low: 61–63°F | Wind: S 5–8 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 57–61°F

Sunday, August 24 – Warm, clouds late, showers at night

Another warm, mostly sunny day to start. Clouds increase late in the afternoon ahead of an approaching front. Showers may develop after sunset. Humidity rises slightly but remains tolerable. Daytime outdoor activities look fine with rain holding off until nighttime.
• High: 81–83°F | Low: 63–65°F | Wind: S 6–10 mph, gusts 20 mph
• Sky: Mostly sunny early, turning partly cloudy late
• Chance of rain: 40% (mainly at night)
• Dew point: 62–66°F

Monday, August 25 – Showers, then cooler

A cold front sweeps through with scattered to widespread showers, especially morning into midday. Some heavier bursts are possible but it will not be a washout. Skies may brighten late as drier air moves in. Temperatures ease back into the 70s with lower humidity by evening.
• High: 77–79°F | Low: 59–61°F | Wind: W 6–9 mph
• Sky: Mostly cloudy with showers, some breaks of sun late
• Chance of rain: 60%
• Dew point: 58–62°F

Tuesday, August 26 – Sunny and comfortable

High pressure builds back in. After a cool morning, the afternoon turns sunny and pleasant. Low humidity makes for an ideal late August day.
• High: 78–80°F | Low: 58–60°F | Wind: W 6–8 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 55–59°F

Wednesday, August 27 – Seasonable with light breezes

A cool start followed by another dry and bright day. Afternoon highs reach the 70s with light winds and comfortable humidity. Very typical late summer weather as the region heads toward September.
• High: 77–79°F | Low: 57–59°F | Wind: NW 5–7 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 54–58°F

Thursday, August 28 – Mostly sunny, turning warmer

High pressure shifts east, allowing a light southerly flow to develop. Temperatures climb back into the low 80s with modest humidity. Conditions remain excellent for outdoor activities.
• High: 80–82°F | Low: 59–61°F | Wind: S 5–8 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 57–61°

Friday, August 29 – Warm finish to the week

The week ends on a warmer note. Sunshine dominates with highs in the mid 80s. Humidity rises a bit but remains far from oppressive. Feels like one of the final warm stretches of summer.
• High: 83–85°F | Low: 62–64°F | Wind: SW 6–9 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 60–64°F

Filed Under: Weather

Wellesley weather forecast for Aug. 15-22, 2025

August 13, 2025 by Matthew Moll

weather consultingHere’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

Weather Outlook: August 15 to August 22, 2025
The week starts unsettled with showers and thunderstorms possible Thursday as a cold front pushes through. Behind it, cooler, less humid air moves in for Friday and Saturday under high pressure. Heat and humidity return briefly Sunday before another front brings showers and storms late Sunday into Monday. Early next week trends cooler and drier, with pleasant late-summer weather lasting into midweek. Signs of fall weather are starting to show, and the last throws of summer may be here this week.

Friday, August 15 – Seasonable and pleasant
High pressure brings a refreshing change. Sunny skies, light breezes, and low humidity make for a comfortable summer day.
• High: 80–82°F | Low: 59–61°F | Wind: NE 7–9 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 55–59°F

Saturday, August 16 – Warm and dry
Still sunny with low humidity. Temperatures climb slightly inland while the coast stays cooler under a light sea breeze.
• High: 84–86°F | Low: 64–66°F | Wind: SE 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 57–61°F


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Sunday, August 17 – Hot and more humid
Southwest winds bring back summer heat and humidity. Most of the day is dry, but clouds increase late with a chance of nighttime showers.
• High: 89–91°F | Low: 65–67°F | Wind: SW 6–8 mph
• Sky: Mostly sunny, turning partly cloudy late
• Chance of rain: 20% (mainly at night)
• Dew point: 64–68°F

Monday, August 18 – Cooler with a chance of showers
A cold front drops temperatures and humidity. A mix of sun and clouds, with a chance of a shower or storm.
• High: 77–79°F | Low: 58–60°F | Wind: N 6–8 mph
• Sky: Partly sunny
• Chance of rain: 30%
• Dew point: 57–61°F

Tuesday, August 19 – Comfortable and dry
High pressure returns with low humidity and seasonable temperatures.
• High: 74–76°F | Low: 57–59°F | Wind: NE 5–7 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 54–58°F

Wednesday, August 20 – Pleasant late-summer weather
A cool start gives way to another sunny, dry day.
• High: 75–77°F | Low: 56–58°F | Wind: E 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 53–57°F

Thursday, August 21 – Mostly sunny, seasonable
A few fair-weather clouds mix in, but it stays dry with comfortable humidity.
• High: 77–79°F | Low: 58–60°F | Wind: E 5–7 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 55–59°F

Friday, August 22 – Warm and dry
Temperatures edge back up, but humidity remains low.
• High: 80–82°F | Low: 60–62°F | Wind: S 5–7 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 56–60°F

Filed Under: Weather

Wellesley weather forecast for Aug. 8-15, 2025

August 7, 2025 by Matthew Moll

weather consultingHere’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

Weather Outlook: August 8 to August 15, 2025
The second week of August brings a near-perfect start, with sunshine, low humidity, and comfortable nights through Saturday. But by Sunday, the heat makes a strong return. A stretch of hot and increasingly humid days settles in through midweek, with widespread 90s and sticky conditions. Most of the week remains dry, but a few pop-up storms are possible later next week as the pattern turns more unsettled.

Friday, August 8 – Sunny and warm
A beautiful summer day. Plenty of sunshine, low humidity, and light breezes make for great weather around town.
• High: 82–84°F | Low: 58–60°F | Wind: SE 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 56–60°F

Saturday, August 9 – Still dry, turning a bit warmer
Another dry and sunny day, but temperatures start to climb. A few high clouds may drift through.
• High: 84–86°F | Low: 61–63°F | Wind: S 5–7 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 58–62°F


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Sunday, August 10 – Hot and sunny
The heat returns. Sunshine dominates as highs reach 90°F, though humidity remains moderate.
• High: 89–91°F | Low: 66–68°F | Wind: SW 5–7 mph
• Sky: Sunny
• Chance of rain: 0%
• Dew point: 61–65°F

Monday, August 11 – Hot and dry
A classic August day. Sunny and hot with a touch more humidity.
• High: 91–93°F | Low: 67–69°F | Wind: SW 5–8 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 63–67°F

Tuesday, August 12 – Peak summer heat
Likely the hottest day of the week. Widespread low to mid 90s with hazy sunshine and rising humidity.
• High: 92–94°F | Low: 69–71°F | Wind: SW 6–8 mph
• Sky: Mostly sunny, hazy at times
• Chance of rain: 0%
• Dew point: 64–68°F

Wednesday, August 13 – Very hot, humid increasing
Heat and humidity both continue to rise. A stray evening storm is possible.
• High: 91–93°F | Low: 70–72°F | Wind: SW 6–9 mph
• Sky: Mostly sunny early, partly cloudy late
• Chance of rain: 15%
• Dew point: 66–70°F

Thursday, August 14 – Hot, with a chance of storms
Still hot and muggy. A few afternoon or evening storms may develop as the pattern begins to shift.
• High: 88–90°F | Low: 68–70°F | Wind: SW 6–9 mph
• Sky: Partly sunny
• Chance of rain: 30%
• Dew point: 66–70°F

Friday, August 15 – Warm and unsettled
Heat backs off slightly, but the risk of afternoon storms increases. Still plenty of dry time for outdoor plans.
• High: 85–87°F | Low: 67–69°F | Wind: SW 6–8 mph
• Sky: Partly cloudy with scattered storms possible
• Chance of rain: 40%
• Dew point: 65–69°F

Filed Under: Weather

Wellesley weather forecast for July 31-Aug. 8, 2025

July 30, 2025 by Matthew Moll

weather consultingHere’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

Weather Outlook: July 31 to Aug 8, 2025


The end of July brings a major flip in the weather. After weeks of summer heat, clouds and a cool northeast breeze move in Thursday into Friday, and with it, the potential for a soaking rain. Some neighborhoods could pick up heavy totals, and if the rain bands line up just right, the National Weather Service may hoist flood watches for parts of southern New England Thursday night into Friday. The weekend turns gorgeous, sunny, dry, and comfortable, before warmth and humidity slowly return next week, setting up a more classic August pattern by late week.

Thursday, July 31 – Clouds increase, turning unsettled
A break from the recent heat, but it stays sticky. Expect plenty of clouds with some breaks of sun. A few showers or a stray thunderstorm could move in later, setting the stage for steadier rain Thursday night.
• High: 77–79°F | Low: 61–63°F | Wind: East 7–9 mph
• Sky: Mostly cloudy with occasional sun
• Chance of rain: 40%
• Dew point: 66–70°F


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Friday, August 1 – Much cooler with periods of rain
A dramatic change, raw, damp, and nearly 20 degrees cooler than earlier this week. A northeast wind keeps highs in the upper 60s, with waves of light to moderate rain possible through the day. There’s still uncertainty on exactly where the heaviest rain sets up, but if it focuses over the region, localized flooding is possible, and flood watches may be issued.
• High: 69–72°F | Low: 55–57°F | Wind: NE 7–10 mph
• Sky: Overcast with occasional rain, easing by evening
• Chance of rain: 50%
• Dew point: 60–64°F

Saturday, August 2 – Sunshine returns
High pressure clears the clouds and rain. Full sunshine, lower humidity, and a perfect summer afternoon. A cool morning makes it a great day for a walk or farmer’s market stop.
• High: 78–80°F | Low: 57–59°F | Wind: North 5–7 mph
• Sky: Sunny all day
• Chance of rain: 0%
• Dew point: 55–59°F

Sunday, August 3 – Perfect summer weather
One of the nicest days of the summer. Sunshine, low humidity, and a light southwest breeze make it perfect for outdoor plans.
• High: 83–85°F | Low: 60–62°F | Wind: SW 5–7 mph
• Sky: Sunny skies from start to finish
• Chance of rain: 0%
• Dew point: 57–61°F

Monday, August 4 – Dry and warming
Still dry and sunny, with a touch more warmth. Humidity stays low, keeping it comfortable for a typical August day.
• High: 85–87°F | Low: 61–63°F | Wind: South 3–6 mph
• Sky: Mostly sunny
• Chance of rain: 0%
• Dew point: 59–63°F

Tuesday, August 5 – Seasonable with a slight uptick in humidity
Humidity edges up slightly, but skies stay mostly sunny and dry. A few afternoon clouds drift through, but nothing to spoil plans.
• High: 83–85°F | Low: 62–64°F | Wind: SE 5–7 mph
• Sky: Mostly sunny with a few clouds
• Chance of rain: 5%
• Dew point: 60–64°F

Wednesday, August 6 – Summer heat nudges back in
Heat and humidity begin to build again. Temperatures climb back into the upper 80s, and it will feel sticky by afternoon. A stray evening shower is possible, but most spots stay dry.
• High: 86–88°F | Low: 64–66°F | Wind: SSW 5–8 mph
• Sky: Mostly sunny early, partly cloudy by evening
• Chance of rain: 10%
• Dew point: 63–67°F

Thursday, August 7 – Hotter, humidity climbing
A more classic August day, near 90°F and increasingly humid. Sunshine dominates, but late-day clouds signal a change ahead.
• High: 88–90°F | Low: 66–68°F | Wind: SW 6–8 mph
• Sky: Mostly sunny with increasing late clouds
• Chance of rain: 10%
• Dew point: 65–69°F

Friday, August 8 – Warm and unsettled late
Warm and sticky to end the week. A few pop-up showers or storms could develop by afternoon as the atmosphere gets more unsettled again.
• High: 85–87°F | Low: 67–69°F | Wind: SW 6–9 mph
• Sky: Partly sunny with isolated afternoon storms possible
• Chance of rain: 20%
• Dew point: 66–70°F

Filed Under: Weather

Wellesley MA weather forecast for July 24-Aug. 1, 2025

July 24, 2025 by Matthew Moll

weather consultingHere’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

Weather Outlook: July 24 to Aug 1, 2025


A significant warmup peaks Friday with heat and humidity combining for oppressive conditions—possibly the last true high heat of the season. A cold front arrives late Friday, bringing storm chances and a modest cooldown for the weekend. Saturday and Sunday are seasonable, though humidity lingers and scattered showers may return late Sunday. Early next week offers a brief stretch of pleasant weather, but another warm and muggy surge arrives midweek with renewed storm chances. Long-range signals suggest the start of August could trend cooler than normal, perhaps our first real hint that summer is slowly beginning to wind down.

Thursday, July 24 – Hot and sunny
Summer heat builds under strong sunshine and a southwest breeze. Highs reach near 90°F, with rising dew points adding a touch of stickiness by late afternoon. A classic July day, but the breeze helps keep it bearable.
• High: 88 to 90°F | Low: 70 to 72°F | Wind: SW at 9 to 11 mph
• Sky: Mostly sunny throughout the day
• Chance of rain: 0%
• Dew point: 68 to 72°F

Friday, July 25 – Oppressive heat, storms late
One of the hottest days of the summer so far. Expect highs in the mid to upper 90s, with heat index values pushing 100°F or more. Breezy and sweltering by afternoon. A cold front approaches late, sparking scattered showers and storms—some possibly strong if they develop during peak heating.
• High: 94 to 97°F | Low: 69 to 71°F | Wind: SW at 8 to 10 mph, gusts to 20 mph
• Sky: Mostly sunny early, with increasing clouds and late-day storms possible
• Chance of rain: 30%
• Dew point: 70 to 74°F (oppressive)

Saturday, July 26 – Cooler, but still muggy
Behind the front, temperatures ease back into the low 80s. Dew points remain elevated early, but some drying works in later in the day. Skies feature a mix of sun and clouds, and it feels more comfortable than Friday, though not completely crisp.
• High: 80 to 82°F | Low: 63 to 65°F | Wind: NE at 6 to 8 mph
• Sky: Partly sunny with more filtered sunshine by afternoon
• Chance of rain: 10%
• Dew point: 64 to 68°F

Sunday, July 27 – Clouds and scattered showers
Moisture and instability return as a weak disturbance moves through. Expect lots of clouds, a few breaks of sun, and the chance for scattered showers or a thunderstorm, especially late in the day.
• High: 78 to 80°F | Low: 63 to 65°F | Wind: SE at 5 to 7 mph
• Sky: Mostly cloudy with spotty sun and p.m. showers possible
• Chance of rain: 30%
• Dew point: 66 to 70°F

Monday, July 28 – Dry and pleasant
High pressure returns with sunshine, lighter winds, and noticeably lower humidity. A refreshing start to the week and a great day for any outdoor activities.
• High: 80 to 82°F | Low: 65 to 67°F | Wind: NNE at 5 to 7 mph
• Sky: Mostly sunny all day
• Chance of rain: 5%
• Dew point: 58 to 62°F

Tuesday, July 29 – Warming back up
Temperatures begin to rebound as southerly flow resumes. Humidity remains modest, but the warmer air mass is noticeable. A dry day with ample sunshine and light winds.
• High: 86 to 88°F | Low: 66 to 68°F | Wind: SW at 5 to 7 mph
• Sky: Mostly sunny with a few passing afternoon clouds
• Chance of rain: 5%
• Dew point: 62 to 66°F

Wednesday, July 30 – Hot and more humid
The midweek heat returns. Highs climb to near 90°F with rising dew points making it feel more oppressive. A few pop-up storms are possible late in the day as the atmosphere becomes more unstable.
• High: 88 to 90°F | Low: 68 to 70°F | Wind: SSW at 6 to 8 mph
• Sky: Mostly sunny early, partly cloudy late with isolated p.m. storms
• Chance of rain: 20%
• Dew point: 66 to 70°F

Thursday, July 31 – Muggy with storm chances
A soupy air mass remains in place with a mix of sun and clouds. Showers and thunderstorms may develop in the afternoon as a frontal boundary approaches.
• High: 85 to 87°F | Low: 68 to 70°F | Wind: SW at 7 to 9 mph
• Sky: Partly sunny with afternoon showers or storms
• Chance of rain: 30%
• Dew point: 68 to 72°F

Friday, August 1 – Unsettled summer pattern
August starts unsettled as warmth and humidity linger ahead of another potential disturbance. A few afternoon storms may pop up, but the bigger story may be the trend toward cooler weather behind this system.
• High: 84 to 86°F | Low: 67 to 69°F | Wind: SW at 6 to 8 mph
• Sky: Partly sunny with scattered showers or storms possible late
• Chance of rain: 30%
• Dew point: 68 to 72°F

Filed Under: Weather

Wellesley weather forecast for July 17-25, 2025

July 16, 2025 by Matthew Moll

Here’s the updated daily weather forecast by Meteorologist Matthew Moll of New England Weather Consulting:

weather consultingWeather Outlook: July 17 to July 25

After one final burst of heat and humidity on Thursday, a cold front ushers in a more comfortable and seasonable pattern. Friday and Saturday look beautiful with sunshine, drier air, and lower dew points. A brief uptick in humidity returns Sunday with clouds and the chance for scattered showers. Early next week features pleasant summer weather with sunshine and average July temperatures. By mid to late week, warmth and humidity slowly build again, with a few chances for afternoon storms as another front approaches.

Thursday, July 17 – Still hot, storm chance late
The heat and humidity continue for one more day, with highs near 90°F and heat index values pushing the mid-90s. While the morning stays dry and hazy, a cold front approaches by late afternoon, bringing the potential for scattered thunderstorms, some possibly strong, especially west of I-95.
• High: 88 to 90°F | Low: 74 to 76°F | Wind: SW at 6 to 9 mph
• Sky: Partly sunny early, turning mostly cloudy with p.m. storms possible
• Chance of rain: 40%
• Dew point: 70 to 74°F (oppressive)

Friday, July 18 – Drier air, still seasonably warm
Behind the front, W/NW winds usher in slightly less humid air. Skies brighten under mostly sunny conditions, and the oppressive feel backs off a bit. A solid summer day overall.
• High: 83 to 85°F | Low: 62 to 64°F | Wind: NW at 7 to 9 mph
• Sky: Mostly sunny
• Chance of rain: 5%
• Dew point: 60 to 64°F

Saturday, July 19 – Classic mid-July weather
Plenty of sunshine with a comfortably warm and dry air mass overhead. Light winds and seasonal temps make this a fantastic summer day for any outdoor plans.
• High: 82 to 84°F | Low: 64 to 66°F | Wind: SE at 4 to 6 mph
• Sky: Mostly sunny
• Chance of rain: 5%
• Dew point: 60 to 64°F

Sunday, July 20 – Increasing clouds, a few showers
Humidity nudges upward again as southwest winds return. A weak frontal boundary may drift north, bringing more clouds and the chance for a few showers or a rumble of thunder.
• High: 80 to 82°F | Low: 64 to 66°F | Wind: SW at 5 to 7 mph
• Sky: Mostly cloudy with spotty showers
• Chance of rain: 40%
• Dew point: 64 to 68°F

Monday, July 21 – Pleasant and dry
Drier air settles in again as the front moves offshore. Skies clear and temps stay seasonable, with low humidity and a refreshing breeze.
• High: 80 to 82°F | Low: 62 to 64°F | Wind: NNW at 5 to 7 mph
• Sky: Mostly sunny
• Chance of rain: 5%
• Dew point: 58 to 62°F


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Tuesday, July 22 – Seasonable summer weather
Another beautiful summer day with light winds, sunshine, and mild temps. Humidity remains in check, making it feel quite comfortable.
• High: 80 to 82°F | Low: 62 to 64°F | Wind: E at 5 to 7 mph
• Sky: Mostly sunny
• Chance of rain: 5%
• Dew point: 58 to 62°F

Wednesday, July 23 – Slight uptick in humidity
Temperatures hold steady, but dew points begin to rise slightly. Still dry and bright overall, but a few clouds may develop by afternoon.
• High: 81 to 83°F | Low: 64 to 66°F | Wind: SE at 4 to 6 mph
• Sky: Mostly sunny, turning partly cloudy late
• Chance of rain: 10%
• Dew point: 62 to 66°F

Thursday, July 24 – Warm and a bit muggy
Humidity increases as southerly winds develop. A mix of sun and clouds is expected, and a stray afternoon shower or thunderstorm can’t be ruled out.
• High: 83 to 85°F | Low: 66 to 68°F | Wind: SSW at 5 to 7 mph
• Sky: Partly sunny
• Chance of rain: 20%
• Dew point: 64 to 68°F

Friday, July 25 – Warm and unsettled
The day may start bright, but clouds increase as another weak front approaches. A few afternoon or evening showers and storms are possible.
• High: 83 to 85°F | Low: 66 to 68°F | Wind: SW at 6 to 8 mph
• Sky: Partly sunny early, with developing showers later
• Chance of rain: 30%
• Dew point: 66 to 70°F


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Filed Under: Weather

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