Grafton, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grafton, a community in Windham County, Vermont.
Tonight
41°F
Mostly Cloudy
Mostly cloudy, with a low around 41. North wind around 5 mph.
7-day forecast for Grafton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Cloudy | 5 mph N | 0% |
| Saturday | 63°F | Sunny | 0 to 3 mph NE | 0% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 3 mph S | 1% |
| Sunday | 56°F | Rain Showers | 1 to 5 mph SE | 93% |
| Sunday Night | 48°F | Rain Showers | 1 to 5 mph NE | 93% |
| Monday | 61°F | Mostly Sunny | 6 mph N | 3% |
| Monday Night | 43°F | Mostly Cloudy | 5 mph N | 3% |
| Tuesday | 59°F | Partly Sunny | 3 mph NE | 2% |
| Tuesday Night | 41°F | Mostly Cloudy | 3 mph NE | 2% |
| Wednesday | 58°F | Mostly Sunny | 6 mph NE | 7% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 21% |
| Thursday | 56°F | Chance Rain Showers | 5 mph NE | 26% |
| Thursday Night | 45°F | Chance Rain Showers | 3 mph NE | 31% |
| Friday | 63°F | Chance Rain Showers | 5 mph N | 27% |
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
Chimney Hill
Harmonyville
Jacksonville
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Londonderry
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North Westminster
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Saxtons River
South Londonderry
Townshend
Wardsboro
West Brattleboro
West Dummerston
Westminster
Whitingham
Wilmington
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 Sep 19, 2026.