Rockville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockville, a town in Charleston County, South Carolina.
Tonight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. Southwest wind 2 to 7 mph.
7-day forecast for Rockville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Partly Cloudy | 2 to 7 mph SW | 13% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph N | 32% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 1 to 6 mph E | 31% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 2 to 7 mph NE | 44% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph E | 44% |
| Monday | 87°F | Chance Showers And Thunderstorms | 1 to 8 mph E | 33% |
| Monday Night | 74°F | Chance Showers And Thunderstorms | 1 to 7 mph E | 56% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 2 to 8 mph NE | 63% |
| Tuesday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph NE | 63% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 7 to 13 mph NE | 48% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 12 mph NE | 48% |
| Thursday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 14 mph NE | 21% |
| Thursday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 to 12 mph NE | 21% |
| Friday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 13 mph NE | 19% |
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
9a
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 Sep 19, 2026.