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Charleston, SC Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Charleston, a city in Charleston County, South Carolina.

Tonight
66°F
Partly Cloudy
Partly cloudy, with a low around 66. Northeast wind around 6 mph.

7-day forecast for Charleston

WhenTempForecastWindPrecip
Tonight 66°F Partly Cloudy 6 mph NE 2%
Wednesday 81°F Partly Sunny 3 to 9 mph E 4%
Wednesday Night 67°F Mostly Cloudy 3 mph SE 7%
Thursday 82°F Mostly Sunny 0 to 7 mph S 6%
Thursday Night 68°F Partly Cloudy 3 mph S 3%
Friday 80°F Showers And Thunderstorms Likely 2 to 7 mph SW 56%
Friday Night 61°F Showers And Thunderstorms Likely 3 mph W 56%
Saturday 77°F Mostly Sunny 5 mph N 7%
Saturday Night 54°F Partly Cloudy 3 mph N 6%
Sunday 73°F Mostly Sunny 6 mph NE 10%
Sunday Night 51°F Partly Cloudy 5 mph N 12%
Monday 70°F Sunny 8 mph NW 12%
Monday Night 48°F Slight Chance Rain Showers 5 mph W 15%
Tuesday 71°F Sunny 5 to 8 mph W 4%

Forecast source: National Weather Service (api.weather.gov) for Charleston (32.828, -79.973). Updated through the day.

Growing snapshot for Charleston

Last spring frost
Mar 7
First fall frost
Nov 27
Growing season
266 days
Hardiness zone
9a

More local growing data for Charleston: nearby ZIP 29405 weather · frost dates · planting calendar · South Carolina frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Charleston Intl Ap, Sc (4.7 mi from Charleston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.