Summerville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summerville, a town in Dorchester County, South Carolina.
Tonight
63°F
Mostly Clear
Mostly clear, with a low around 63. East wind around 6 mph.
7-day forecast for Summerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Mostly Clear | 6 mph E | 1% |
| Wednesday | 82°F | Patchy Fog then Partly Sunny | 3 to 10 mph SE | 4% |
| Wednesday Night | 66°F | Mostly Cloudy | 0 to 3 mph SE | 4% |
| Thursday | 83°F | Mostly Sunny | 0 to 6 mph S | 8% |
| Thursday Night | 66°F | Partly Cloudy | 5 mph S | 8% |
| Friday | 80°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 62% |
| Friday Night | 58°F | Showers And Thunderstorms Likely | 2 mph W | 58% |
| Saturday | 77°F | Mostly Sunny | 3 mph N | 8% |
| Saturday Night | 51°F | Partly Cloudy | 3 mph N | 5% |
| Sunday | 72°F | Mostly Sunny | 5 mph N | 6% |
| Sunday Night | 48°F | Partly Cloudy | 3 mph NW | 11% |
| Monday | 70°F | Slight Chance Rain Showers | 7 mph NW | 15% |
| Monday Night | 44°F | Slight Chance Rain Showers | 1 to 5 mph SW | 15% |
| Tuesday | 71°F | Sunny | 6 mph W | 3% |
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 Nov 4, 2026.