Harman US

Summerville, SC Weather & Growing Conditions

Tonight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. East wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 63°F Partly Cloudy 6 mph E 1%
Wednesday 82°F Patchy Fog then Partly Sunny 3 to 10 mph E 4%
Wednesday Night 65°F Mostly Cloudy 0 to 3 mph SE 3%
Thursday 83°F Mostly Sunny 0 to 6 mph S 10%
Thursday Night 66°F Mostly Cloudy 1 to 5 mph S 10%
Friday 80°F Showers And Thunderstorms Likely 2 to 7 mph SW 62%
Friday Night 57°F Showers And Thunderstorms Likely 2 mph W 56%
Saturday 77°F Mostly Sunny 5 mph N 8%
Saturday Night 50°F Partly Cloudy 2 mph N 5%
Sunday 72°F Mostly Sunny 5 mph N 6%
Sunday Night 46°F Partly Cloudy 3 mph NW 11%
Monday 70°F Slight Chance Rain Showers 7 mph NW 15%
Monday Night 43°F Slight Chance Rain Showers 1 to 5 mph SW 15%
Tuesday 70°F Sunny 3 to 7 mph W 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Summerville, SC

Last spring frost
Mar 22
First fall frost
Nov 12
Growing season
238 days
Hardiness zone
8b

Explore more for Summerville, SC: full frost dates · planting calendar · South Carolina frost dates

Climate data from the nearest NOAA station, Summerville 4W, Sc (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.