Harman US

Charleston, SC Weather & Growing Conditions

Tonight
67°F
Partly Cloudy
Partly cloudy, with a low around 67. East wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 67°F Partly Cloudy 6 mph E 3%
Wednesday 79°F Mostly Sunny 5 to 8 mph E 4%
Wednesday Night 67°F Mostly Cloudy 1 to 5 mph SE 3%
Thursday 80°F Mostly Sunny 1 to 6 mph S 4%
Thursday Night 67°F Partly Cloudy 3 mph S 3%
Friday 79°F Chance Rain Showers then Chance Showers And Thunderstorms 3 to 7 mph SW 49%
Friday Night 60°F Chance Showers And Thunderstorms 5 mph W 49%
Saturday 76°F Mostly Sunny 5 mph W 6%
Saturday Night 54°F Partly Cloudy 3 mph N 5%
Sunday 72°F Slight Chance Rain Showers 6 mph NE 15%
Sunday Night 51°F Partly Cloudy 6 mph N 13%
Monday 69°F Sunny then Slight Chance Rain Showers 8 mph NW 15%
Monday Night 49°F Slight Chance Rain Showers 6 mph W 15%
Tuesday 70°F Sunny 5 to 8 mph W 9%

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 (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.