Williamstown, MA Weather Forecast
Local 7-day forecast
Partly Cloudy then Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Williamstown, MA in one place.
Patchy fog after 1am. Partly cloudy, with a low around 51. North wind 2 to 6 mph.
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: May 25, 2026 11:36 PM EDT.
The active forecast window currently covers May 25 to Jun 1, 2026 for Williamstown, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to Jun 1, 2026
- Latest sync
- May 25, 2026 11:36 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamstown
Tuesday looks like the warmest upcoming period in Williamstown at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Thursday at about 6 to 12 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 25, 2026 11:36 PM 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
Patchy fog before 7am. Mostly sunny, with a high near 82. Southwest wind 1 to 8 mph.
Mostly cloudy, with a low around 59. South wind 3 to 8 mph.
Isolated showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Southwest wind 3 to 10 mph. Chance of precipitation is 20%.
Isolated showers and thunderstorms before 8pm. Mostly cloudy, with a low around 56. Northwest wind 3 to 9 mph. Chance of precipitation is 20%.
Scattered rain showers between 8am and 2pm, then scattered showers and thunderstorms. Mostly sunny, with a high near 72. Chance of precipitation is 40%.
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 49. Chance of precipitation is 40%.
A chance of rain showers after 8am. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
A slight chance of rain showers before 2am. Mostly cloudy, with a low around 47.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 49.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
May 25
|
Partly Cloudy then Patchy Fog
|
51°F |
2 to 6 mph
N
|
|
Tuesday
May 26
|
Patchy Fog then Mostly Sunny
|
82°F |
1 to 8 mph
SW
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
59°F |
3 to 8 mph
S
|
|
Wednesday
May 27
|
Partly Sunny then Isolated Showers And Thunderstorms
|
82°F |
3 to 10 mph
SW
|
|
Wednesday Night
May 27
|
Isolated Showers And Thunderstorms then Mostly Cloudy
|
56°F |
3 to 9 mph
NW
|
|
Thursday
May 28
|
Scattered Rain Showers
|
72°F |
6 to 12 mph
N
|
|
Thursday Night
May 28
|
Scattered Showers And Thunderstorms then Partly Cloudy
|
49°F |
3 to 10 mph
NW
|
|
Friday
May 29
|
Chance Rain Showers
|
69°F |
3 to 10 mph
NW
|
|
Friday Night
May 29
|
Chance Rain Showers
|
48°F |
3 to 8 mph
W
|
|
Saturday
May 30
|
Chance Rain Showers
|
66°F |
6 to 9 mph
NW
|
|
Saturday Night
May 30
|
Slight Chance Rain Showers
|
47°F |
2 to 7 mph
N
|
|
Sunday
May 31
|
Mostly Sunny
|
70°F |
3 to 9 mph
N
|
|
Sunday Night
May 31
|
Partly Cloudy
|
49°F |
2 to 7 mph
NW
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Rain Showers
|
72°F |
2 to 8 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamstown.