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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 8:32 am EDT Jul 27, 2026		Print

Today

Today: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southeast around 6 mph in the afternoon.

High: 92 °F

Partly Sunny
then Slight
Chance
T-storms

Tonight

Tonight: A 20 percent chance of showers and thunderstorms, mainly between midnight and 2am. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.

Low: 78 °F

Partly Cloudy
then Slight
Chance
T-storms

Tuesday

Tuesday: Mostly sunny, with a high near 95. Heat index values as high as 112. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

High: 95 °F

Mostly Sunny



Tuesday
Night

Tuesday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 81. South wind 8 to 13 mph, with gusts as high as 21 mph.

Low: 81 °F

Partly Cloudy
then Slight
Chance
T-storms

Wednesday

Wednesday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. West wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 96 °F

Mostly Sunny
then Chance
T-storms

Wednesday
Night

Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.

Low: 76 °F

Chance
T-storms


Thursday

Thursday: Sunny, with a high near 93.

High: 93 °F

Sunny



Thursday
Night

Thursday Night: Mostly clear, with a low around 77.

Low: 77 °F

Mostly Clear



Friday

Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.

High: 93 °F

Sunny then
Slight Chance
T-storms


Today: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southeast around 6 mph in the afternoon.

Tonight: A 20 percent chance of showers and thunderstorms, mainly between midnight and 2am. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.

Tuesday: Mostly sunny, with a high near 95. Heat index values as high as 112. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

Tuesday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 81. South wind 8 to 13 mph, with gusts as high as 21 mph.

Wednesday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. West wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.

Thursday: Sunny, with a high near 93.

Thursday Night: Mostly clear, with a low around 77.

Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.

Friday Night: Partly cloudy, with a low around 78.

Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.

Sunday: Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.


Charleston SCSimilar City Names
 32.79°N 80.01°W (Elev. 10 ft)

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