Rockville, SC Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rockville, a town in Charleston County, South Carolina.

Overnight

67°F

Partly Cloudy

Partly cloudy, with a low around 67. East wind around 5 mph.

7-day forecast for Rockville

When	Temp	Forecast	Wind	Precip
Overnight	67°F	Partly Cloudy	5 mph E	2%
Wednesday	79°F	Patchy Fog then Mostly Sunny	5 to 9 mph E	4%
Wednesday Night	67°F	Mostly Cloudy	1 to 5 mph SE	4%
Thursday	80°F	Mostly Sunny	1 to 7 mph S	6%
Thursday Night	67°F	Partly Cloudy	3 mph S	1%
Friday	79°F	Chance Rain Showers	2 to 8 mph SW	43%
Friday Night	60°F	Chance Rain Showers then Partly Cloudy	5 mph W	43%
Saturday	75°F	Sunny	7 mph NE	1%
Saturday Night	52°F	Partly Cloudy	2 to 7 mph NE	1%
Sunday	71°F	Mostly Sunny	5 to 8 mph NE	1%
Sunday Night	50°F	Partly Cloudy	3 mph NE	4%
Monday	71°F	Mostly Sunny	6 mph N	5%
Monday Night	49°F	Mostly Clear then Slight Chance Rain Showers	3 mph N	15%
Tuesday	71°F	Slight Chance Rain Showers then Sunny	3 to 7 mph S	15%

Forecast source: National Weather Service (api.weather.gov) for Rockville (32.603, -80.191). Updated through the day.

Growing snapshot for Rockville

Last spring frost

Mar 1

First fall frost

Dec 6

Growing season

284 days

Hardiness zone

More local growing data for Rockville: nearby ZIP 29487 weather · frost dates · planting calendar · South Carolina frost dates

Nearby towns & communities

Adams Run Awendaw Charleston Edisto Beach Folly Beach Hollywood Isle of Palms James Island Kiawah Island Ladson Lincolnville McClellanville Meggett Mount Pleasant North Charleston Ravenel Sangaree Seabrook Island Sullivan's Island

All South Carolina locations ›

Climate data from the nearest NOAA station, Edisto Is Middleton Plantation, Sc (9 mi from Rockville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.