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
80°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 80. West wind around 3 mph.
7-day forecast for Rock Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Fog then Sunny | 3 mph W | 0% |
| Tonight | 58°F | Partly Cloudy then Patchy Fog | 0 to 3 mph W | 0% |
| Wednesday | 79°F | Patchy Fog then Partly Sunny | 0 to 5 mph S | 9% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 43% |
| Thursday | 84°F | Showers And Thunderstorms | 1 to 7 mph SW | 79% |
| Thursday Night | 66°F | Showers And Thunderstorms | 2 to 6 mph SW | 79% |
| Friday | 84°F | Showers And Thunderstorms Likely | 2 to 7 mph W | 64% |
| Friday Night | 64°F | Showers And Thunderstorms Likely | 5 mph W | 64% |
| Saturday | 82°F | Partly Sunny then Showers And Thunderstorms Likely | 2 to 7 mph W | 55% |
| Saturday Night | 63°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 55% |
| Sunday | 84°F | Mostly Sunny | 3 to 7 mph W | 13% |
| Sunday Night | 65°F | Mostly Clear | 6 mph W | 13% |
| Monday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 19% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 9 mph W | 19% |
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 Aug 4, 2026.