Williamstown Weather Forecast
- 55
- 75
Rain Showers Likely
- 58
- 80
Slight Chance Thunderstorms
- 61
- 82
Mostly Cloudy
- 59
- 80
Rain Showers Likely
- 54
- 79
Chance Thunderstorms
- 57
- 81
Mostly Sunny
Today 30 Jul Northern Berkshire
Mostly cloudy. Rain likely in the Morning, then a chance of Showers in the afternoon. Highs around 70. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 30 Jul Northern Berkshire
Showers likely. Near steady temperature in the lower 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Williamstown Temperature Statistics
July Temperature
North Adams Harriman-and-West Airport (1.9 miles)
Lowest 20 July, 2026
46.7 °FAverage July
69.6 °FHighest 1 July, 2026
93.7 °F
Climate (2021–2026)
North Adams Harriman-and-West Airport (1.9 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
49.8 °FAverage High 2021–2026
59.8 °F