Williamstown, MA Weather Forecast

Local 7-day forecast

51°
F

Partly Cloudy then Patchy Fog

Track current conditions, temperature changes, wind, and the full daily outlook for Williamstown, MA in one place.

Monday, May 25, 2026
Wind: 2 to 6 mph N
Tonight

Patchy fog after 1am. Partly cloudy, with a low around 51. North wind 2 to 6 mph.

Local 7-day forecast

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
Next High
82°F
Tuesday
Next Low
51°F
Tonight
Rain Outlook
9
Periods mentioning precipitation
Windiest
6 to 12 mph
Thursday

Daily Outlook

Today
May 25
Partly Cloudy then Patchy Fog
51 °F
/ 51°F
Wind 2 to 6 mph
Tue
May 26
Patchy Fog then Mostly Sunny
82 °F
/ 59°F
Wind 1 to 8 mph
Wed
May 27
Partly Sunny then Isolated Showers And Thunderstorms
82 °F
/ 56°F
Wind 3 to 10 mph
Thu
May 28
Scattered Rain Showers
72 °F
/ 49°F
Wind 6 to 12 mph
Fri
May 29
Chance Rain Showers
69 °F
/ 48°F
Wind 3 to 10 mph
Sat
May 30
Chance Rain Showers
66 °F
/ 47°F
Wind 6 to 9 mph
Sun
May 31
Mostly Sunny
70 °F
/ 49°F
Wind 3 to 9 mph

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 source

Extended Forecast

Tuesday
May 26
82°F
Patchy Fog then Mostly Sunny
1 to 8 mph SW

Patchy fog before 7am. Mostly sunny, with a high near 82. Southwest wind 1 to 8 mph.

Tuesday Night
May 26
59°F
Mostly Cloudy
3 to 8 mph S

Mostly cloudy, with a low around 59. South wind 3 to 8 mph.

Wednesday
May 27
82°F
Partly Sunny then Isolated Showers And Thunderstorms
3 to 10 mph SW

Isolated showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Southwest wind 3 to 10 mph. Chance of precipitation is 20%.

Wednesday Night
May 27
56°F
Isolated Showers And Thunderstorms then Mostly Cloudy
3 to 9 mph NW

Isolated showers and thunderstorms before 8pm. Mostly cloudy, with a low around 56. Northwest wind 3 to 9 mph. Chance of precipitation is 20%.

Thursday
May 28
72°F
Scattered Rain Showers
6 to 12 mph N

Scattered rain showers between 8am and 2pm, then scattered showers and thunderstorms. Mostly sunny, with a high near 72. Chance of precipitation is 40%.

Thursday Night
May 28
49°F
Scattered Showers And Thunderstorms then Partly Cloudy
3 to 10 mph NW

Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 49. Chance of precipitation is 40%.

Friday
May 29
69°F
Chance Rain Showers
3 to 10 mph NW

A chance of rain showers after 8am. Mostly sunny, with a high near 69. Chance of precipitation is 30%.

Friday Night
May 29
48°F
Chance Rain Showers
3 to 8 mph W

A chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

Saturday
May 30
66°F
Chance Rain Showers
6 to 9 mph NW

A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.

Saturday Night
May 30
47°F
Slight Chance Rain Showers
2 to 7 mph N

A slight chance of rain showers before 2am. Mostly cloudy, with a low around 47.

Sunday
May 31
70°F
Mostly Sunny
3 to 9 mph N

Mostly sunny, with a high near 70.

Sunday Night
May 31
49°F
Partly Cloudy
2 to 7 mph NW

Partly cloudy, with a low around 49.

Monday
Jun 1
72°F
Mostly Sunny then Slight Chance Rain Showers
2 to 8 mph NW

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
Williamstown  MA - View along Route 2
Williamstown MA - View along Route 2 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.