Williamstown, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamstown, a community in Orange County, Vermont.
Today
82°F
Sunny
Sunny, with a high near 82. Northwest wind 3 to 8 mph.
7-day forecast for Williamstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 3 to 8 mph NW | 0% |
| Tonight | 58°F | Mostly Clear | 3 mph SW | 0% |
| Wednesday | 85°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 63°F | Partly Cloudy | 0 to 3 mph S | 7% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 3 mph S | 40% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph SW | 40% |
| Friday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 2 mph NW | 41% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 50% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph W | 50% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph SW | 18% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 23% |
| Monday | 84°F | Chance Rain Showers | 2 to 8 mph SW | 47% |
| Monday Night | 60°F | Chance Rain Showers | 1 to 7 mph W | 47% |
Forecast source: National Weather Service (api.weather.gov) for Williamstown (44.118, -72.551). Updated through the day.
Growing snapshot for Williamstown
Last spring frost
May 16
First fall frost
Sep 29
Growing season
136 days
Hardiness zone
5a
More local growing data for Williamstown: nearby ZIP 05679 weather · frost dates · planting calendar · Vermont frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Barre Montpelier Ap, Vt (6.9 mi from Williamstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.