Rockville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockville, a town in Charleston County, South Carolina.
Today
88°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 88. Southeast wind 3 to 13 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rockville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Slight Chance Showers And Thunderstorms | 3 to 13 mph SE | 24% |
| Tonight | 77°F | Chance Showers And Thunderstorms | 6 to 12 mph S | 55% |
| Wednesday | 88°F | Showers And Thunderstorms Likely then Partly Sunny | 5 to 13 mph S | 67% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 6 to 12 mph S | 49% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 49% |
| Thursday Night | 78°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 to 9 mph SE | 23% |
| Friday | 89°F | Chance Showers And Thunderstorms | 3 to 12 mph SE | 43% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 3 to 10 mph SE | 34% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 61% |
| Saturday Night | 78°F | Chance Showers And Thunderstorms | 3 to 9 mph S | 33% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 2 to 10 mph S | 48% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 33% |
| Monday | 90°F | Chance Showers And Thunderstorms | 3 to 12 mph SW | 32% |
| Monday Night | 78°F | Chance Showers And Thunderstorms | 5 to 12 mph SW | 32% |
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
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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 Aug 4, 2026.