Summerville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summerville, a town in Dorchester County, South Carolina.
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. West wind around 3 mph.
7-day forecast for Summerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 3 mph W | 13% |
| Saturday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph N | 50% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 2 mph NE | 47% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms | 2 mph NE | 58% |
| Sunday Night | 72°F | Showers And Thunderstorms Likely then Partly Cloudy | 2 mph E | 58% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph E | 43% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 0 to 3 mph E | 43% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 67% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 67% |
| Wednesday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 to 9 mph NE | 44% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph NE | 44% |
| Thursday | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 10 mph NE | 23% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph NE | 23% |
| Friday | 81°F | Mostly Sunny | 6 to 10 mph N | 14% |
Forecast source: National Weather Service (api.weather.gov) for Summerville (33.006, -80.179). Updated through the day.
Growing snapshot for Summerville
Last spring frost
Mar 22
First fall frost
Nov 12
Growing season
238 days
Hardiness zone
8b
More local growing data for Summerville: nearby ZIP 29483 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Summerville 4W, Sc (0.5 mi from Summerville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.