Williamstown, VT Weather Forecast
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Williamstown Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Fog | Partly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers | Showers | Chance of Showers |
| Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 50% | POP: 40% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Mon Sep 14 2026 

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Issued: 243 PM EDT Mon Sep 14 2026
Key Messages
As of 240 PM EDT Monday...
1. Dry and seasonable before a few showers possible Thursday.
2. Cool weather expected this weekend, with mainly dry weather up until a warm front approaches later in the weekend.
Discussion
... As of 240 PM EDT Monday...
KEY MESSAGE 1: High pressure will center overhead tonight, leading to efficient radiational cooling. Temperatures will drop into the 40s and 30s away from the shores of Lake Champlain. Patchy frost is expected in the colder hollows of the Adiro...
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