Harman US

Grahamsville, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Grahamsville, a community in Sullivan County, New York.

Today
70°F
Sunny
Sunny. High near 70, with temperatures falling to around 64 in the afternoon. Southwest wind around 7 mph.

7-day forecast for Grahamsville

WhenTempForecastWindPrecip
Today 70°F Sunny 7 mph SW 2%
Tonight 53°F Mostly Cloudy 5 mph SW 6%
Thursday 65°F Light Rain 5 to 8 mph SW 94%
Thursday Night 53°F Light Rain Likely 1 to 5 mph W 57%
Friday 65°F Chance Light Rain 0 to 3 mph SW 44%
Friday Night 47°F Chance Light Rain 2 mph NW 39%
Saturday 59°F Chance Light Rain 2 to 6 mph NW 39%
Saturday Night 40°F Chance Light Rain 5 to 9 mph NW 39%
Sunday 52°F Chance Light Rain then Partly Sunny 6 to 9 mph NW 26%
Sunday Night 36°F Partly Cloudy 5 to 8 mph NW 8%
Monday 51°F Slight Chance Light Rain 8 to 13 mph NW 17%
Monday Night 35°F Slight Chance Light Rain then Partly Cloudy 8 mph W 17%
Tuesday 57°F Mostly Sunny 7 to 10 mph W 9%
Tuesday Night 35°F Partly Cloudy 8 mph W 11%

Forecast source: National Weather Service (api.weather.gov) for Grahamsville (41.853, -74.552). Updated through the day.

Growing snapshot for Grahamsville

Last spring frost
May 9
First fall frost
Oct 5
Growing season
149 days
Hardiness zone
6a

More local growing data for Grahamsville: nearby ZIP 12765 weather · frost dates · planting calendar · New York frost dates

Nearby towns & communities

All New York locations ›

Climate data from the nearest NOAA station, Liberty 1 Ne, Ny (7 mi from Grahamsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.