Grahamsville, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grahamsville, a community in Sullivan County, New York.
Today
80°F
Sunny
Sunny, with a high near 80. South wind around 2 mph.
7-day forecast for Grahamsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 2 mph S | 0% |
| Tonight | 60°F | Partly Cloudy | 2 mph NE | 0% |
| Wednesday | 79°F | Mostly Cloudy | 0 to 5 mph SW | 3% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 47% |
| Thursday | 83°F | Showers And Thunderstorms | 1 to 6 mph SW | 83% |
| Thursday Night | 67°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph W | 83% |
| Friday | 83°F | Showers And Thunderstorms Likely | 2 to 6 mph W | 67% |
| Friday Night | 65°F | Showers And Thunderstorms Likely | 3 mph W | 67% |
| Saturday | 81°F | Showers And Thunderstorms Likely | 2 to 7 mph W | 57% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph W | 57% |
| Sunday | 83°F | Mostly Sunny | 2 to 7 mph W | 14% |
| Sunday Night | 65°F | Mostly Clear | 5 mph W | 14% |
| Monday | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph W | 26% |
| Monday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 8 mph W | 26% |
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
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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 Aug 4, 2026.