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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 7:32 am EDT Jul 25, 2026		Print

Today

Today: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. High near 90. Heat index values as high as 106. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

High: 90 °F

Slight Chance
T-storms then
T-storms

Tonight

Tonight: Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 75. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Low: 75 °F

Showers
Likely


Sunday

Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 90. Heat index values as high as 102. North wind around 5 mph becoming southeast in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 90 °F

Chance
Showers then
Chance
T-storms

Sunday
Night

Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 75. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Low: 75 °F

Showers then
Chance
Showers

Monday

Monday: Mostly sunny, with a high near 91. Calm wind becoming southeast 5 to 8 mph in the afternoon.

High: 91 °F

Mostly Sunny



Monday
Night

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

Low: 77 °F

Mostly Clear



Tuesday

Tuesday: Sunny, with a high near 94.

High: 94 °F

Sunny



Tuesday
Night

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

Low: 80 °F

Partly Cloudy



Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.

High: 95 °F

Mostly Sunny
then Chance
T-storms


Today: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. High near 90. Heat index values as high as 106. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 75. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 90. Heat index values as high as 102. North wind around 5 mph becoming southeast in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 75. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday: Mostly sunny, with a high near 91. Calm wind becoming southeast 5 to 8 mph in the afternoon.

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

Tuesday: Sunny, with a high near 94.

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

Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.

Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.

Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

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

Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.


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

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