Williamstown, VT Weather & Growing Conditions
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 62. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 7 mph S | 33% |
| Tonight | 49°F | Slight Chance Rain Showers then Partly Cloudy | 9 mph S | 23% |
| Wednesday | 74°F | Mostly Sunny | 9 mph S | 4% |
| Wednesday Night | 50°F | Partly Cloudy | 10 mph S | 0% |
| Thursday | 68°F | Rain Showers | 7 to 12 mph S | 80% |
| Thursday Night | 52°F | Rain Showers Likely | 1 to 6 mph S | 56% |
| Friday | 63°F | Chance Rain Showers | 2 mph W | 44% |
| Friday Night | 47°F | Light Rain Likely | 2 mph N | 62% |
| Saturday | 57°F | Light Rain Likely | 3 mph NW | 64% |
| Saturday Night | 39°F | Light Rain Likely | 3 mph W | 64% |
| Sunday | 50°F | Chance Light Rain | 6 mph W | 28% |
| Sunday Night | 33°F | Slight Chance Light Rain | 3 mph W | 21% |
| Monday | 49°F | Chance Light Rain | 5 to 9 mph W | 29% |
| Monday Night | 30°F | Chance Light Rain | 6 mph W | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamstown, VT
Last spring frost
May 16
First fall frost
Sep 29
Growing season
136 days
Hardiness zone
5a
Explore more for Williamstown, VT: full frost dates · planting calendar · Vermont frost dates
Climate data from the nearest NOAA station, Barre Montpelier Ap, Vt (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.