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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

WhenTempForecastWindPrecip
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.