Groton, VT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Groton, a community in Caledonia County, Vermont.
Today
81°F
Sunny
Sunny, with a high near 81. West wind around 6 mph.
7-day forecast for Groton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 6 mph W | 0% |
| Tonight | 56°F | Mostly Clear | 2 mph NW | 0% |
| Wednesday | 85°F | Mostly Sunny | 2 mph S | 0% |
| Wednesday Night | 62°F | Partly Cloudy | 1 mph SW | 7% |
| Thursday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph S | 38% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 mph W | 38% |
| Friday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph W | 42% |
| Friday Night | 62°F | Chance Showers And Thunderstorms | 1 mph NW | 42% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 1 mph W | 52% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 1 mph W | 52% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 3 mph SW | 17% |
| Sunday Night | 62°F | Slight Chance Showers And Thunderstorms | 2 mph SW | 24% |
| Monday | 84°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 50% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 50% |
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 Aug 4, 2026.