Harman US

Charleston, SC Weather & Growing Conditions

This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Southeast wind 5 to 8 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 81°F Mostly Sunny 5 to 8 mph SE 1%
Tonight 67°F Mostly Cloudy then Patchy Fog 3 mph SE 2%
Thursday 82°F Patchy Fog then Mostly Sunny 0 to 6 mph S 3%
Thursday Night 67°F Partly Cloudy 3 mph S 3%
Friday 81°F Chance Rain Showers 1 to 7 mph SW 46%
Friday Night 60°F Chance Showers And Thunderstorms then Mostly Cloudy 2 mph NW 46%
Saturday 75°F Mostly Sunny 6 mph N 2%
Saturday Night 49°F Partly Cloudy 5 mph N 0%
Sunday 70°F Mostly Sunny 1 to 6 mph N 0%
Sunday Night 47°F Partly Cloudy 1 mph N 2%
Monday 71°F Mostly Sunny 3 mph N 6%
Monday Night 47°F Partly Cloudy then Slight Chance Rain Showers 0 mph 15%
Tuesday 72°F Slight Chance Rain Showers 3 mph SE 15%
Tuesday Night 51°F Slight Chance Rain Showers 2 mph SW 15%

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

Growing snapshot for Charleston, SC

Last spring frost
Mar 7
First fall frost
Nov 27
Growing season
266 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 Intl Ap, Sc (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.