Groton, VT Weather & Growing Conditions
Today
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 66 in the afternoon. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 49°F | Mostly Cloudy | 5 mph S | 1% |
| Thursday | 64°F | Rain Showers | 7 mph S | 85% |
| Thursday Night | 52°F | Rain Showers Likely | 2 to 6 mph SW | 73% |
| Friday | 64°F | Patchy Fog then Mostly Cloudy | 2 mph SW | 14% |
| Friday Night | 47°F | Chance Light Rain | 2 mph N | 49% |
| Saturday | 58°F | Chance Light Rain | 2 mph N | 49% |
| Saturday Night | 39°F | Chance Light Rain | 5 mph NW | 50% |
| Sunday | 50°F | Chance Light Rain | 5 mph NW | 47% |
| Sunday Night | 31°F | Slight Chance Light Rain | 3 mph W | 19% |
| Monday | 46°F | Chance Light Rain | 6 mph W | 29% |
| Monday Night | 27°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph W | 22% |
| Tuesday | 49°F | Chance Light Rain | 6 mph SW | 28% |
| Tuesday Night | 26°F | Chance Light Rain | 5 mph W | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Groton, VT
Last spring frost
May 13
First fall frost
Oct 3
Growing season
143 days
Hardiness zone
4b
Explore more for Groton, VT: full frost dates · planting calendar · Vermont frost dates
Climate data from the nearest NOAA station, Saint Johnsbury, Vt (13 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.