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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 8:32 pm EDT Sep 20, 2026		Print

Tonight

Tonight: Partly cloudy, with a low around 74. Light northeast wind.

Low: 74 °F

Partly Cloudy



Monday

Monday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. Calm wind becoming east 5 to 8 mph in the afternoon.

High: 88 °F

Mostly Sunny
then Slight
Chance
T-storms

Monday
Night

Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 73. Light and variable wind.

Low: 73 °F

Mostly Cloudy
then Chance
Showers

Tuesday

Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88. Light and variable wind becoming east 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 88 °F

Chance
Showers then
Chance
T-storms

Tuesday
Night

Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Light and variable wind.

Low: 73 °F

Chance
T-storms then
Chance
Showers

Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 86 °F

Slight Chance
T-storms 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 69.

Low: 69 °F

Chance
T-storms


Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

High: 82 °F

Slight Chance
Showers then
Chance
T-storms

Thursday
Night

Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.

Low: 65 °F

Chance
T-storms then
Partly Cloudy


Tonight: Partly cloudy, with a low around 74. Light northeast wind.

Monday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. Calm wind becoming east 5 to 8 mph in the afternoon.

Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 73. Light and variable wind.

Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 88. Light and variable wind becoming east 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Light and variable wind.

Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.

Friday: Mostly sunny, with a high near 79.

Friday Night: Mostly clear, with a low around 63.

Saturday: Sunny, with a high near 79.

Saturday Night: Partly cloudy, with a low around 63.

Sunday: Mostly sunny, with a high near 81.


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

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