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.
Overnight
45°F
Mostly Cloudy
Mostly cloudy, with a low around 45. Northeast wind around 3 mph.
7-day forecast for Rock Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Mostly Cloudy | 3 mph NE | 0% |
| Saturday | 65°F | Mostly Sunny | 6 mph E | 0% |
| Saturday Night | 46°F | Mostly Cloudy then Chance Light Rain | 3 mph SE | 50% |
| Sunday | 61°F | Rain | 7 mph SE | 100% |
| Sunday Night | 47°F | Rain then Chance Rain Showers | 6 mph NW | 97% |
| Monday | 63°F | Partly Sunny | 7 mph NE | 3% |
| Monday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph NE | 21% |
| Tuesday | 57°F | Slight Chance Rain Showers | 6 to 9 mph NE | 22% |
| Tuesday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 13 mph NE | 15% |
| Wednesday | 58°F | Partly Sunny | 10 to 14 mph E | 10% |
| Wednesday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 13 mph E | 25% |
| Thursday | 57°F | Chance Rain Showers | 9 to 13 mph NE | 33% |
| Thursday Night | 42°F | Chance Rain Showers | 6 to 9 mph NE | 34% |
| Friday | 61°F | Chance Rain Showers | 9 mph NE | 30% |
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.