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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 26, 2026		Print

Today

Today: A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. High near 88. Heat index values as high as 101. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

High: 88 °F

Chance
T-storms then
Heavy Rain

Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 75. Light and variable wind.

Low: 75 °F

Chance
T-storms

Monday

Monday: Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming northeast around 6 mph in the morning.

High: 91 °F

Mostly Sunny


Monday
Night

Monday Night: Partly cloudy, with a low around 78. Southeast wind around 6 mph becoming calm in the evening.

Low: 78 °F

Partly Cloudy


Tuesday

Tuesday: Sunny, with a high near 95. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

High: 95 °F

Sunny


Tuesday
Night

Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 81.

Low: 81 °F

Slight Chance
T-storms

Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.

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 77.

Low: 77 °F

Chance
T-storms

Thursday

Thursday: 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 chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. High near 88. Heat index values as high as 101. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 75. Light and variable wind.

Monday: Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming northeast around 6 mph in the morning.

Monday Night: Partly cloudy, with a low around 78. Southeast wind around 6 mph becoming calm in the evening.

Tuesday: Sunny, with a high near 95. Light southwest wind increasing to 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 before 2am. Partly cloudy, with a low around 81.

Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.

Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.

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

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

Friday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.

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

Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.


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

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