Williamstown, MA Weather Forecast
Local 7-day forecast
Partly Sunny then Isolated Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Williamstown, MA in one place.
Isolated showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
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: Jul 10, 2026 8:29 AM EDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Williamstown, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 8:29 AM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamstown
Tuesday looks like the warmest upcoming period in Williamstown at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 14 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 8:29 AM EDT
- 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
Partly cloudy, with a low around 62. North wind around 5 mph.
Isolated rain showers before 7am. Mostly sunny, with a high near 82. North wind 3 to 8 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 57. North wind 2 to 7 mph.
Sunny, with a high near 84. North wind 2 to 6 mph.
Mostly clear, with a low around 61.
Sunny, with a high near 88.
Partly cloudy, with a low around 64.
Mostly sunny, with a high near 91.
Partly cloudy, with a low around 71.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 10
|
Partly Sunny then Isolated Showers And Thunderstorms
|
82°F |
3 to 7 mph
NW
|
|
Tonight
Jul 10
|
Partly Cloudy
|
62°F |
5 mph
N
|
|
Saturday
Jul 11
|
Isolated Rain Showers then Mostly Sunny
|
82°F |
3 to 8 mph
N
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
57°F |
2 to 7 mph
N
|
|
Sunday
Jul 12
|
Sunny
|
84°F |
2 to 6 mph
N
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
61°F |
3 mph
E
|
|
Monday
Jul 13
|
Sunny
|
88°F |
2 to 7 mph
SW
|
|
Monday Night
Jul 13
|
Partly Cloudy
|
64°F |
3 to 7 mph
SW
|
|
Tuesday
Jul 14
|
Mostly Sunny
|
91°F |
3 to 9 mph
SW
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
71°F |
5 to 8 mph
SW
|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
5 to 14 mph
W
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms
|
64°F |
2 to 12 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
86°F |
2 to 10 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
63°F |
2 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamstown.