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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 2:40 am EDT Jul 24, 2026		Print

Today

Today: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 93. Heat index values as high as 108. Light southwest wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

High: 93 °F

Partly Sunny
then Heavy
Rain

Tonight

Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Low: 78 °F

Heavy Rain
then Slight
Chance
T-storms

Saturday

Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 90. Heat index values as high as 103. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

High: 90 °F

Chance
T-storms then
Heavy Rain

Saturday
Night

Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rainfall. Mostly 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

Heavy Rain



Sunday

Sunday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. North wind around 6 mph becoming east in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 90 °F

Chance
T-storms then
T-storms
Likely

Sunday
Night

Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Low: 75 °F

Showers
Likely then
Chance
T-storms

Monday

Monday: Mostly sunny, with a high near 92.

High: 92 °F

Mostly Sunny



Monday
Night

Monday Night: Partly cloudy, with a low around 77.

Low: 77 °F

Partly Cloudy



Tuesday

Tuesday: Mostly sunny, with a high near 94.

High: 94 °F

Mostly Sunny






Today: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 93. Heat index values as high as 108. Light southwest wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 90. Heat index values as high as 103. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rainfall. Mostly 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: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. North wind around 6 mph becoming east in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday: Mostly sunny, with a high near 92.

Monday Night: Partly cloudy, with a low around 77.

Tuesday: Mostly sunny, with a high near 94.

Tuesday Night: Mostly clear, with a low around 80.

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

Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.

Thursday: 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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