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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

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Filed Under: Weather

     

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