Williamstown, VT Weather & Growing Conditions
Overnight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. North wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Partly Cloudy | 7 mph N | 0% |
| Saturday | 63°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 40°F | Mostly Cloudy then Chance Light Rain | 1 to 6 mph SE | 43% |
| Sunday | 58°F | Light Rain | 8 mph SE | 91% |
| Sunday Night | 44°F | Light Rain then Slight Chance Rain Showers | 0 to 5 mph NE | 91% |
| Monday | 61°F | Mostly Sunny | 7 mph N | 1% |
| Monday Night | 40°F | Mostly Cloudy | 2 to 6 mph N | 1% |
| Tuesday | 62°F | Partly Sunny | 3 mph NE | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 0 to 3 mph NE | 2% |
| Wednesday | 64°F | Mostly Sunny | 3 mph E | 3% |
| Wednesday Night | 40°F | Partly Cloudy | 0 to 3 mph E | 9% |
| Thursday | 62°F | Slight Chance Rain Showers | 2 mph E | 22% |
| Thursday Night | 44°F | Chance Rain Showers | 2 mph NE | 27% |
| Friday | 65°F | Chance Rain Showers | 3 mph N | 25% |
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 Sep 19, 2026.