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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 21, 2026		Print

Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 74. Calm wind.

Low: 74 °F

Mostly Cloudy
then Chance
T-storms

Tuesday

Tuesday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. North wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 87 °F

Chance
T-storms then
Showers
Likely

Tuesday
Night

Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Low: 72 °F

Chance
T-storms


Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Northeast wind 8 to 11 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 86 °F

Chance
Showers then
Chance
T-storms

Wednesday
Night

Wednesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 68. North wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Low: 68 °F

Chance
T-storms then
Mostly Cloudy

Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.

High: 81 °F

Partly Sunny
then Slight
Chance
T-storms

Thursday
Night

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

Low: 63 °F

Partly Cloudy



Friday

Friday: Sunny, with a high near 79.

High: 79 °F

Sunny



Friday
Night

Friday Night: Mostly clear, with a low around 61.

Low: 61 °F

Mostly Clear




Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 74. Calm wind.

Tuesday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. North wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 72. Northeast wind 3 to 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Northeast wind 8 to 11 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 68. North wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.

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

Friday: Sunny, with a high near 79.

Friday Night: Mostly clear, with a low around 61.

Saturday: Sunny, with a high near 81.

Saturday Night: Mostly clear, with a low around 62.

Sunday: Mostly sunny, with a high near 82.

Sunday Night: Partly cloudy, with a low around 64.

Monday: Sunny, with a high near 83.


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

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