Williamstown, MA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Williamstown, MA in one place.
A slight chance of rain showers between 11am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 75. South wind 2 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for 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: Aug 23, 2026 7:03 PM EDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Williamstown, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 7:03 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamstown
Thursday looks like the warmest upcoming period in Williamstown at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Thursday at about 6 to 12 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 7:03 PM EDT
- Coverage
- 6 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
A chance of rain showers before 8pm. Partly cloudy, with a low around 55. Southwest wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 40%.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 60.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 50%.
Mostly sunny, with a high near 77.
Mostly clear, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Chance Showers And Thunderstorms
|
75°F |
2 to 7 mph
S
|
|
Monday Night
Aug 24
|
Chance Rain Showers then Partly Cloudy
|
55°F |
3 mph
SW
|
|
Tuesday
Aug 25
|
Partly Sunny then Chance Showers And Thunderstorms
|
75°F |
3 to 7 mph
SW
|
|
Tuesday Night
Aug 25
|
Chance Rain Showers then Partly Cloudy
|
55°F |
1 to 6 mph
W
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
79°F |
3 mph
W
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
60°F |
1 to 6 mph
S
|
|
Thursday
Aug 27
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
81°F |
6 to 12 mph
S
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
63°F |
6 to 10 mph
S
|
|
Friday
Aug 28
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
81°F |
6 mph
SW
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms then Partly Cloudy
|
58°F |
5 mph
NW
|
|
Saturday
Aug 29
|
Mostly Sunny
|
77°F |
2 to 7 mph
NW
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
55°F |
1 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamstown.
