Groton, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Groton, a village in Tompkins County, New York.
Today
80°F
Sunny
Sunny, with a high near 80. Southwest wind around 2 mph.
7-day forecast for Groton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 2 mph SW | 0% |
| Tonight | 58°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 83°F | Mostly Sunny | 3 to 7 mph S | 0% |
| Wednesday Night | 65°F | Slight Chance Rain Showers | 7 mph S | 20% |
| Thursday | 84°F | Showers And Thunderstorms | 7 mph S | 83% |
| Thursday Night | 65°F | Showers And Thunderstorms | 3 mph SW | 83% |
| Friday | 83°F | Showers And Thunderstorms | 1 to 6 mph SW | 75% |
| Friday Night | 63°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 3 mph SW | 75% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 1 to 6 mph SW | 61% |
| Saturday Night | 63°F | Showers And Thunderstorms Likely | 3 mph SW | 61% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 25% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Monday | 82°F | Chance Rain Showers | 3 to 9 mph W | 46% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 47% |
Forecast source: National Weather Service (api.weather.gov) for Groton (42.583, -76.360). Updated through the day.
Growing snapshot for Groton
Last spring frost
May 7
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
5b
More local growing data for Groton: nearby ZIP 13073 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Brooktondale
Cayuga Heights
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Forest Home
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Northeast Ithaca
Northwest Ithaca
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Trumansburg
Varna
West Danby
Climate data from the nearest NOAA station, Freeville 1 Ne, Ny (5.3 mi from Groton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.