| NWS Forecast for: Williamstown MA Issued by: National Weather Service Albany, NY Last Update: 2:36 am EDT Jul 13, 2026 | |
| Today: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 29. Light and variable wind becoming southwest 6 to 11 km/h in the morning. Chance of precipitation is 20%. Tonight: Partly cloudy, with a low around 18. Southwest wind 3 to 8 km/h. Tuesday: Mostly sunny and hot, with a high near 33. Heat index values as high as 36. West wind 5 to 10 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 37 km/h. Tuesday Night: Mostly clear, with a low around 22. West wind around 14 km/h. Wednesday: Mostly sunny, with a high near 31. West wind 13 to 18 km/h, with gusts as high as 37 km/h. Wednesday Night: Mostly clear, with a low around 16. Thursday: Mostly sunny, with a high near 29. Thursday Night: Partly cloudy, with a low around 14. Friday: Sunny, with a high near 28. Friday Night: A chance of showers after 2am. Partly cloudy, with a low around 14. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 28. Chance of precipitation is 50%. Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 16. Chance of precipitation is 60%. Sunday: A chance of showers. Partly sunny, with a high near 29. Chance of precipitation is 50%. | |
| Williamstown MA 42.72°N 73.2°W (Elev. 627 m) | |
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