South Williamstown, MA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for South Williamstown, MA in one place.
Mostly cloudy, with a high near 58. Southwest wind 2 to 7 mph.
Local Weather Overview
This forecast page for South Williamstown, MA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 9, 2026 9:17 PM EST.
The active forecast window currently covers Nov 10 to Nov 16, 2026 for South Williamstown, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 10 to Nov 16, 2026
- Latest sync
- Nov 9, 2026 9:17 PM EST
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in South Williamstown
Tuesday looks like the warmest upcoming period in South Williamstown at 58 degrees F.
Friday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Saturday at about 10 to 14 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 9:17 PM EST
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Isolated rain showers between 7pm and 8pm. Partly cloudy, with a low around 39. West wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 55. Northwest wind 3 to 7 mph.
A slight chance of rain after 7pm. Mostly cloudy, with a low around 35. North wind around 2 mph. Chance of precipitation is 20%.
Rain likely. Cloudy, with a high near 52. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Rain likely. Cloudy, with a high near 42. Chance of precipitation is 60%.
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
A slight chance of rain before 10pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 29.
A slight chance of rain before 1pm. Mostly cloudy, with a high near 45.
Mostly cloudy, with a low around 29.
Partly sunny, with a high near 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Nov 10
|
Mostly Cloudy
|
58°F |
2 to 7 mph
SW
|
|
Tuesday Night
Nov 10
|
Isolated Rain Showers then Partly Cloudy
|
39°F |
8 mph
W
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
55°F |
3 to 7 mph
NW
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Rain
|
35°F |
2 mph
N
|
|
Thursday
Nov 12
|
Light Rain Likely
|
52°F |
5 mph
E
|
|
Thursday Night
Nov 12
|
Light Rain Likely
|
32°F |
7 mph
NE
|
|
Friday
Nov 13
|
Light Rain Likely
|
42°F |
10 mph
N
|
|
Friday Night
Nov 13
|
Chance Rain And Snow
|
28°F |
10 mph
N
|
|
Saturday
Nov 14
|
Chance Rain And Snow
|
43°F |
10 to 14 mph
NW
|
|
Saturday Night
Nov 14
|
Slight Chance Rain And Snow
|
29°F |
10 mph
NW
|
|
Sunday
Nov 15
|
Slight Chance Light Rain
|
45°F |
12 mph
NW
|
|
Sunday Night
Nov 15
|
Mostly Cloudy
|
29°F |
5 to 9 mph
NW
|
|
Monday
Nov 16
|
Partly Sunny
|
50°F |
3 to 8 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Williamstown.