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Groton, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Groton, a village in Tompkins County, New York.

This Afternoon
65°F
Partly Sunny
Partly sunny, with a high near 65. South wind around 7 mph.

7-day forecast for Groton

WhenTempForecastWindPrecip
This Afternoon 65°F Partly Sunny 7 mph S 3%
Tonight 51°F Partly Cloudy 6 mph S 5%
Wednesday 71°F Mostly Sunny 6 to 10 mph S 4%
Wednesday Night 58°F Mostly Cloudy then Rain Showers 12 mph S 76%
Thursday 70°F Rain Showers 6 to 12 mph S 75%
Thursday Night 49°F Mostly Cloudy 0 to 5 mph SW 14%
Friday 64°F Slight Chance Rain Showers 3 mph SW 22%
Friday Night 43°F Chance Light Rain 2 mph NW 28%
Saturday 55°F Chance Light Rain 2 to 8 mph NW 37%
Saturday Night 36°F Chance Light Rain 6 mph W 37%
Sunday 53°F Slight Chance Light Rain then Partly Sunny 5 to 8 mph W 20%
Sunday Night 33°F Slight Chance Light Rain 6 mph W 18%
Monday 53°F Chance Light Rain 6 to 13 mph NW 37%
Monday Night 33°F Chance Light Rain 7 mph SW 37%

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

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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 Nov 3, 2026.