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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 5:58 pm EDT Aug 8, 2026		Print

Tonight

Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 76. Southeast wind 5 to 7 mph becoming calm in the evening.

Low: 76 °F

Slight Chance
Showers then
Partly Cloudy

Sunday

Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 101. Calm wind becoming south 5 to 8 mph in the afternoon.

High: 89 °F

Slight Chance
T-storms


Sunday
Night

Sunday Night: Mostly clear, with a low around 78. South wind 3 to 7 mph.

Low: 78 °F

Mostly Clear



Monday

Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Light southwest wind increasing to 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 91 °F

Slight Chance
T-storms then
Chance
T-storms

Monday
Night

Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. Southwest wind 6 to 9 mph.

Low: 78 °F

Chance
T-storms


Tuesday

Tuesday: 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

Tuesday
Night

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

Low: 78 °F

Partly Cloudy



Wednesday

Wednesday: Sunny, with a high near 95.

High: 95 °F

Sunny



Wednesday
Night

Wednesday Night: Partly cloudy, with a low around 79.

Low: 79 °F

Partly Cloudy




Tonight: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 76. Southeast wind 5 to 7 mph becoming calm in the evening.

Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 101. Calm wind becoming south 5 to 8 mph in the afternoon.

Sunday Night: Mostly clear, with a low around 78. South wind 3 to 7 mph.

Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Light southwest wind increasing to 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. Southwest wind 6 to 9 mph.

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

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

Wednesday: Sunny, with a high near 95.

Wednesday Night: Partly cloudy, with a low around 79.

Thursday: Sunny, with a high near 95.

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

Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.

Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.


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

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