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Charleston, SC Weather & Growing Conditions

Tonight
76°F
Partly Cloudy
Partly cloudy, with a low around 76. West wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 76°F Partly Cloudy 5 mph W 13%
Saturday 89°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 6 mph NE 43%
Saturday Night 75°F Chance Showers And Thunderstorms 1 to 5 mph E 36%
Sunday 86°F Chance Showers And Thunderstorms 2 to 7 mph NE 45%
Sunday Night 75°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 6 mph SE 45%
Monday 87°F Chance Showers And Thunderstorms 1 to 7 mph NE 29%
Monday Night 75°F Chance Showers And Thunderstorms 1 to 6 mph E 53%
Tuesday 85°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 2 to 9 mph NE 63%
Tuesday Night 73°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 7 mph NE 63%
Wednesday 83°F Chance Showers And Thunderstorms 8 to 14 mph NE 46%
Wednesday Night 71°F Chance Showers And Thunderstorms 9 to 13 mph NE 46%
Thursday 82°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 14 mph NE 22%
Thursday Night 69°F Slight Chance Showers And Thunderstorms then Partly Cloudy 8 to 13 mph NE 22%
Friday 81°F Mostly Sunny then Slight Chance Showers And Thunderstorms 13 mph NE 17%

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

Growing snapshot for Charleston, SC

Last spring frost
Feb 4
First fall frost
Dec 30
Growing season
321 days
Hardiness zone
9a

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

Climate data from the nearest NOAA station, Charleston City, Sc (0.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.