Weather in Williamstown, MA
Updated 2026-08-11 14:15 local time · ZIP codes 01267
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
79°1% rain
85°1% rain84°1% rain82°1% rain81°1% rain82°1% rain
74°2% rain72°2% rain70°2% rain69°2% rain68°2% rain58°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 79°F with winds near 11 mph.
74°F, 2% rain chance and 5 mph wind.
Visibility is around 10 mi; gusts may reach 15 mph.
Current temperature is 79°F, wind 11 mph, rain chance up to 9%.
UV index is 6. Sunscreen and sunglasses are sensible for longer outdoor time.
Williamstown weather today
Partly cloudy and 79°F in Williamstown, MA. Today's high is 85°F with a 5% rain chance. Winds are around 11 mph with gusts near 13 mph. Relative humidity is 51%, pressure is 29.84 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Williamstown
Sunrise is at 05:55 AM and sunset is at 08:00 PM. Tomorrow's forecast calls for Sunny with a high near 80°F and a low near 54°F. The maximum rain chance is 7%.