Harman US

Grafton, VT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Grafton, a community in Windham County, Vermont.

Today
80°F
Sunny
Sunny, with a high near 80. West wind around 3 mph.

7-day forecast for Grafton

WhenTempForecastWindPrecip
Today 80°F Sunny 3 mph W 0%
Tonight 57°F Mostly Clear 1 mph W 0%
Wednesday 82°F Partly Sunny 2 mph SW 0%
Wednesday Night 63°F Mostly Cloudy 2 mph SW 11%
Thursday 84°F Scattered Showers And Thunderstorms 2 mph S 53%
Thursday Night 66°F Scattered Showers And Thunderstorms then Partly Cloudy 2 mph SW 53%
Friday 84°F Mostly Sunny then Scattered Showers And Thunderstorms 3 mph W 30%
Friday Night 65°F Scattered Showers And Thunderstorms 2 mph W 30%
Saturday 82°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 2 mph W 42%
Saturday Night 63°F Chance Showers And Thunderstorms then Partly Cloudy 2 mph W 42%
Sunday 83°F Sunny 1 to 5 mph W 11%
Sunday Night 64°F Mostly Clear 3 mph SW 11%
Monday 82°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 7 mph W 25%
Monday Night 61°F Chance Showers And Thunderstorms 2 to 6 mph W 25%

Forecast source: National Weather Service (api.weather.gov) for Grafton (43.171, -72.609). Updated through the day.

Growing snapshot for Grafton

Last spring frost
May 13
First fall frost
Oct 3
Growing season
143 days
Hardiness zone
5a

More local growing data for Grafton: nearby ZIP 05146 weather · frost dates · planting calendar · Vermont frost dates

Nearby towns & communities

All Vermont locations ›

Climate data from the nearest NOAA station, Springfield Hartness Ap, Vt (12.4 mi from Grafton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.