Williamstown, MA Weather Forecast
Local 7-day forecast
Patchy Smoke then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Williamstown, MA in one place.
Patchy smoke before 8am. Sunny, with a high near 81. Northwest wind 3 to 7 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: Jul 17, 2026 9:20 AM EDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Williamstown, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:20 AM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamstown
Saturday looks like the warmest upcoming period in Williamstown at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 6 to 15 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:20 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 60. Southwest wind 1 to 6 mph.
Areas of smoke between 8am and noon, then smoke and a chance of rain showers between noon and 2pm, then smoke and showers and thunderstorms between 2pm and 5pm, then areas of smoke and a chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 62. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Mostly sunny, with a high near 77. Northwest wind around 13 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 55.
Sunny, with a high near 81.
Partly cloudy, with a low around 61.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 80%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Patchy Smoke then Sunny
|
81°F |
3 to 7 mph
NW
|
|
Tonight
Jul 17
|
Partly Cloudy
|
60°F |
1 to 6 mph
SW
|
|
Saturday
Jul 18
|
Areas Of Smoke then Smoke
|
82°F |
6 to 15 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
62°F |
6 to 13 mph
SW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
77°F |
13 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
55°F |
1 to 10 mph
NW
|
|
Monday
Jul 20
|
Sunny
|
81°F |
1 to 5 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
61°F |
3 to 12 mph
S
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
82°F |
14 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
63°F |
8 to 13 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely
|
80°F |
7 to 12 mph
W
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms then Partly Cloudy
|
57°F |
3 to 9 mph
NW
|
|
Thursday
Jul 23
|
Sunny
|
78°F |
3 to 7 mph
NW
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
56°F |
1 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamstown.
