• Sign up for free email newsletter
  • Advertise
  • Donate to support our work
  • Events calendar
  • About Us
DAF
 
Pinnacle, Elaine Bannigan
 
Wellesley Hills Dental

The Swellesley Report

Since 2005: More than you really want to know about Wellesley, Mass.

  • Restaurants, sponsored by black & blue
  • Camps, sponsored by NEOC
  • Wellesley Square
  • Private Schools, sponsored by Prepped and Polished
  • Public Schools, sponsored by Sexton
  • Preschools, sponsored by Longfellow, Wellesley
  • School news
  • Kid stuff
  • Top 10 things to do
  • Business news
  • Worship
  • Letters to the editor
  • Guidelines for letters to the editor
  • Live gov’t meetings
  • Sports schedules & results
  • Deland, Gibson’s Athlete of the Week
  • Deaths
  • Housing
  • Medical providers—sponsored by FIXT Dental
 

Top Stories

Wellesley imagines what North 40 can do for community going forward
Maugus Cafe reopening; plans for dinner service
Single-family home sales

Advertisements

Needham Bank, Wellesley
FIXT
Down Under, Wellesley
 

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


Interested in sponsoring our Wellesley weather forecasts? Learn more about advertising on Swellesley.


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°


Sign up for our free Swellesley email newsletter

image_print

Filed Under: Weather

     

Advertisements

black & blue, Wellesley
Olive Tree Medical, Wellesley
Haskins Automotive, Wellesley
MIT Museum, Cambridge

Tip us off…

Please send tips, photos, ideas to theswellesleyreport@gmail.com

Please support your local online news source with a tax-deductible donation by scanning the QR code or by clicking on it.

QR Code

Advertisements

Wellesley Square Merchants
The Village Bank, Wellesley
Wellesley, Jesamondo
Fay School, Southborough
Sexton test prep, Wellesley
Wellesley Theatre Project
Prepped and Polished
Perdocere, Wellesley
Wellesley HIlls Dental
Admit Fit, Wellesley
entering-swellesley-1
  • Bluesky
  • Facebook
  • Instagram
  • Twitter

Subscribe to our free weekday email newsletter

* indicates required

Most Read Posts

  • Wellesley Halloween happenings—2026 edition
  • Friday is letters-to-the-editor day
  • Indigenous Peoples Day 2026 Wellesley—what’s open and closed, nearby events
  • Wellesley Arts Roundup—October 2026 edition
  • Wellesley Service League Men’s Group Speaker Series to welcome Social Entrepreneur

Click on Entering Natick sign to read our Natick Report

Entering Natick road sign

Recent Comments

  • Michael R Cave on Wellesley MA town government meetings for week of Oct. 12; AC at Advisory & other Town Meeting prep; Wellesley Square improvement; Condos at ZBA
  • Concerned Resident on Wellesley imagines what North 40 can do for community going forward
  • Ann Gagliano on Wellesley artist mashes up ‘Birth of Venus’ & Halloween
  • Select Board Should Listen (to some music) on Wellesley imagines what North 40 can do for community going forward
  • How is this affordable? on Wellesley All Board Meeting brings who’s who of town leaders together to look ahead

Upcoming Events

Oct 15
10:30 am - 1:30 pm

Friends of the Wellesley Council on Aging present Health & Wellness Fair

Oct 15
5:00 pm - 6:30 pm

Modern Dickinson performance at Wellesley College

Oct 15
7:00 pm - 8:00 pm

Mysterious Massachusetts (Wellesley library program)

Oct 15
7:00 pm - 9:00 pm

A Conversation with Rose Levy Beranbaum, noted Baker and Author

Oct 16
8:00 pm - 11:00 pm

‘A Night of Excessive Happiness’ fundraiser featuring live music

View Calendar

Links we like

  • Danny's Place
  • Great Runs
  • Tech-Tamer
  • Universal Hub
  • Wellesley Sports Discussion Facebook Group

© 2026 The Swellesley Report
Site by Tech-Tamer · Login