Rock Hill, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rock Hill, a community in Sullivan County, New York.
Tonight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. North wind around 6 mph.
7-day forecast for Rock Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Partly Cloudy | 6 mph N | 0% |
| Saturday | 65°F | Mostly Sunny | 5 mph E | 0% |
| Saturday Night | 49°F | Mostly Cloudy then Rain Showers Likely | 3 mph SE | 62% |
| Sunday | 60°F | Rain Showers | 3 to 7 mph SE | 100% |
| Sunday Night | 51°F | Rain Showers | 6 mph N | 100% |
| Monday | 62°F | Slight Chance Rain Showers | 8 mph NE | 22% |
| Monday Night | 45°F | Slight Chance Rain Showers | 6 to 9 mph NE | 24% |
| Tuesday | 56°F | Chance Rain Showers | 9 mph NE | 30% |
| Tuesday Night | 42°F | Chance Rain Showers | 8 to 13 mph NE | 25% |
| Wednesday | 56°F | Chance Rain Showers | 9 to 13 mph E | 25% |
| Wednesday Night | 43°F | Chance Rain Showers | 9 to 13 mph NE | 31% |
| Thursday | 57°F | Chance Rain Showers | 10 mph NE | 32% |
| Thursday Night | 45°F | Chance Rain Showers | 7 mph NE | 35% |
| Friday | 64°F | Chance Rain Showers | 8 mph N | 28% |
Forecast source: National Weather Service (api.weather.gov) for Rock Hill (41.619, -74.590). Updated through the day.
Growing snapshot for Rock Hill
Last spring frost
May 7
First fall frost
Oct 7
Growing season
152 days
Hardiness zone
6a
More local growing data for Rock Hill: nearby ZIP 12775 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Rock Hill 3 Sw, Ny (2.7 mi from Rock Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.