Groton, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Groton, a community in Caledonia County, Vermont.
This Afternoon
69°F
Sunny
Sunny, with a high near 69. Northwest wind around 10 mph.
7-day forecast for Groton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Sunny | 10 mph NW | 0% |
| Tonight | 39°F | Partly Cloudy | 3 to 8 mph NW | 0% |
| Saturday | 64°F | Sunny | 1 to 5 mph NE | 0% |
| Saturday Night | 40°F | Mostly Cloudy then Chance Light Rain | 3 mph S | 39% |
| Sunday | 59°F | Light Rain | 6 mph SE | 87% |
| Sunday Night | 42°F | Light Rain then Slight Chance Rain Showers | 2 mph NE | 87% |
| Monday | 63°F | Mostly Sunny | 5 mph N | 1% |
| Monday Night | 38°F | Mostly Cloudy | 3 mph N | 1% |
| Tuesday | 64°F | Partly Sunny | 2 mph NE | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 1 mph NE | 1% |
| Wednesday | 65°F | Mostly Sunny | 2 mph E | 2% |
| Wednesday Night | 38°F | Partly Cloudy | 1 mph E | 8% |
| Thursday | 64°F | Slight Chance Rain Showers | 2 mph NE | 21% |
| Thursday Night | 42°F | Chance Rain Showers | 1 mph NE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Groton (44.219, -72.201). Updated through the day.
Growing snapshot for Groton
Last spring frost
May 25
First fall frost
Sep 22
Growing season
119 days
Hardiness zone
4b
More local growing data for Groton: nearby ZIP 05046 weather · frost dates · planting calendar · Vermont frost dates
Nearby towns & communities
Barnet
Danville
East Burke
Hardwick
Lyndon
Lyndon Center
Lyndonville
Peacham
Sheffield
St. Johnsbury
Sutton
West Burke
Climate data from the nearest NOAA station, Plainfield, Vt (8.4 mi from Groton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.