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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 2:37 pm EDT May 20, 2026		Print

Tonight

Tonight: Mostly clear, with a low around 71. Southeast wind 5 to 10 mph becoming light south after midnight.

Low: 71 °F

Mostly Clear



Thursday

Thursday: Sunny, with a high near 89. Light and variable wind becoming south 6 to 11 mph in the afternoon.

High: 89 °F

Sunny



Thursday
Night

Thursday Night: Increasing clouds, with a low around 73. South wind 5 to 7 mph becoming calm in the evening.

Low: 73 °F

Increasing
Clouds


Friday

Friday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Light southeast wind increasing to 6 to 11 mph in the afternoon. Chance of precipitation is 20%.

High: 88 °F

Slight Chance
Showers then
Slight Chance
T-storms

Friday
Night

Friday Night: A slight chance of thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 75. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

Low: 75 °F

Partly Cloudy
then Chance
Showers

Saturday

Saturday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Chance of precipitation is 40%.

High: 88 °F

Chance
Showers


Saturday
Night

Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

Low: 75 °F

Slight Chance
T-storms


Sunday

Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

High: 88 °F

Chance
Showers then
Chance
T-storms

Sunday
Night

Sunday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

Low: 75 °F

Chance
T-storms then
Mostly Cloudy




Tonight: Mostly clear, with a low around 71. Southeast wind 5 to 10 mph becoming light south after midnight.

Thursday: Sunny, with a high near 89. Light and variable wind becoming south 6 to 11 mph in the afternoon.

Thursday Night: Increasing clouds, with a low around 73. South wind 5 to 7 mph becoming calm in the evening.

Friday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Light southeast wind increasing to 6 to 11 mph in the afternoon. Chance of precipitation is 20%.

Friday Night: A slight chance of thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 75. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

Saturday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

Sunday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

Memorial Day: A 30 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 88.

Monday Night: Partly cloudy, with a low around 74.

Tuesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

Tuesday Night: A chance of thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.


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

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