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.
Today
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 63 in the afternoon. Southwest wind 2 to 9 mph.
7-day forecast for Rock Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Sunny | 2 to 9 mph SW | 1% |
| Tonight | 52°F | Mostly Cloudy | 3 to 7 mph S | 5% |
| Thursday | 65°F | Light Rain | 9 mph S | 89% |
| Thursday Night | 54°F | Light Rain Likely | 0 to 7 mph SW | 56% |
| Friday | 65°F | Chance Light Rain | 0 to 5 mph S | 50% |
| Friday Night | 46°F | Chance Light Rain | 2 mph NW | 44% |
| Saturday | 59°F | Mostly Sunny then Chance Light Rain | 3 to 8 mph NW | 34% |
| Saturday Night | 39°F | Chance Light Rain | 8 to 12 mph NW | 34% |
| Sunday | 53°F | Slight Chance Light Rain then Partly Sunny | 8 to 12 mph NW | 20% |
| Sunday Night | 34°F | Partly Cloudy | 10 mph W | 6% |
| Monday | 53°F | Mostly Sunny | 10 to 14 mph NW | 12% |
| Monday Night | 32°F | Partly Cloudy | 9 mph W | 12% |
| Tuesday | 57°F | Mostly Sunny | 8 to 12 mph W | 5% |
| Tuesday Night | 32°F | Partly Cloudy | 9 mph W | 8% |
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 Nov 4, 2026.