Williamstown, VT Weather & Growing Conditions
Overnight
40°F
Partly Cloudy
Partly cloudy, with a low around 40. North wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Partly Cloudy | 7 mph N | 0% |
| Saturday | 65°F | Sunny | 1 to 6 mph N | 0% |
| Saturday Night | 41°F | Mostly Cloudy then Chance Light Rain | 1 to 6 mph S | 43% |
| Sunday | 59°F | Light Rain | 7 mph SE | 91% |
| Sunday Night | 44°F | Light Rain then Slight Chance Rain Showers | 0 to 3 mph E | 91% |
| Monday | 64°F | Mostly Sunny | 6 mph N | 1% |
| Monday Night | 40°F | Mostly Cloudy | 5 mph N | 1% |
| Tuesday | 64°F | Partly Sunny | 2 mph NE | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 2 mph E | 2% |
| Wednesday | 65°F | Mostly Sunny | 0 to 3 mph E | 3% |
| Wednesday Night | 40°F | Partly Cloudy | 2 mph SE | 9% |
| Thursday | 63°F | Slight Chance Rain Showers | 0 to 3 mph E | 22% |
| Thursday Night | 44°F | Chance Rain Showers | 2 mph NE | 27% |
| Friday | 67°F | Slight Chance Rain Showers | 3 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamstown, VT
Last spring frost
May 9
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
5a
Explore more for Williamstown, VT: full frost dates · planting calendar · Vermont frost dates
Climate data from the nearest NOAA station, Chelsea 2 Nw, Vt (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.