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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 4:01 am EDT Jul 22, 2026		Print

Today

Today: A slight chance of showers and thunderstorms between 9am and 11am. Partly sunny, with a high near 93. Heat index values as high as 106. South wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

High: 93 °F

Slight Chance
T-storms then
Partly Sunny

Tonight

Tonight: Partly cloudy, with a low around 81. South wind 10 to 13 mph, with gusts as high as 21 mph.

Low: 81 °F

Partly Cloudy



Thursday

Thursday: Mostly sunny, with a high near 95. Heat index values as high as 106. Southwest wind 6 to 14 mph.

High: 95 °F

Mostly Sunny



Thursday
Night

Thursday Night: Mostly cloudy, with a low around 80. South wind 7 to 10 mph.

Low: 80 °F

Mostly Cloudy



Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 92. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 92 °F

Slight Chance
T-storms then
Chance
T-storms

Friday
Night

Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 79.

Low: 79 °F

Chance
T-storms


Saturday

Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 70%.

High: 92 °F

Chance
T-storms then
T-storms
Likely

Saturday
Night

Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.

Low: 77 °F

T-storms
Likely


Sunday

Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.

High: 91 °F

Chance
T-storms



Today: A slight chance of showers and thunderstorms between 9am and 11am. Partly sunny, with a high near 93. Heat index values as high as 106. South wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Tonight: Partly cloudy, with a low around 81. South wind 10 to 13 mph, with gusts as high as 21 mph.

Thursday: Mostly sunny, with a high near 95. Heat index values as high as 106. Southwest wind 6 to 14 mph.

Thursday Night: Mostly cloudy, with a low around 80. South wind 7 to 10 mph.

Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 92. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 79.

Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 70%.

Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.

Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.

Sunday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.

Monday: Sunny, with a high near 94.

Monday Night: Partly cloudy, with a low around 80.

Tuesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.


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

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