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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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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 Sep 19, 2026.