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.

This Afternoon
64°F
Partly Sunny
Partly sunny, with a high near 64. Southeast wind around 5 mph.

7-day forecast for Grahamsville

WhenTempForecastWindPrecip
This Afternoon 64°F Partly Sunny 5 mph SE 0%
Tonight 50°F Mostly Cloudy then Chance Rain Showers 3 mph SE 54%
Sunday 62°F Rain Showers 6 mph SE 100%
Sunday Night 49°F Rain Showers Likely then Mostly Cloudy 5 mph N 69%
Monday 64°F Mostly Sunny 6 mph NE 0%
Monday Night 44°F Mostly Cloudy then Slight Chance Rain Showers 5 mph NE 19%
Tuesday 58°F Slight Chance Rain Showers 6 mph E 21%
Tuesday Night 43°F Mostly Cloudy 5 to 9 mph E 5%
Wednesday 58°F Partly Sunny 10 mph E 4%
Wednesday Night 43°F Mostly Cloudy then Slight Chance Rain Showers 7 to 10 mph E 19%
Thursday 57°F Slight Chance Rain Showers 7 to 10 mph NE 19%
Thursday Night 44°F Chance Rain Showers 5 to 8 mph NE 32%
Friday 61°F Chance Rain Showers 9 mph N 32%
Friday Night 46°F Chance Rain Showers 7 to 12 mph N 32%

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 Sep 19, 2026.