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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 8:32 am EDT May 22, 2026
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This
Afternoon

This Afternoon: Mostly sunny, with a high near 87. South wind 9 to 13 mph.

High: 87 °F

Mostly Sunny



Tonight

Tonight: A 20 percent chance of showers after 3am.  Mostly cloudy, with a low around 75. South wind 5 to 8 mph.

Low: 75 °F

Mostly Cloudy
then Slight
Chance
Showers

Saturday

Saturday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88. South wind 5 to 10 mph.  Chance of precipitation is 20%.

High: 88 °F

Partly Sunny
then Slight
Chance
T-storms

Saturday
Night

Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 75. South wind 3 to 6 mph.  Chance of precipitation is 30%.

Low: 75 °F

Mostly Cloudy
then Chance
Showers

Sunday

Sunday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 86. Light south wind increasing to 6 to 11 mph in the morning.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 86 °F

Chance
Showers then
Chance
T-storms

Sunday
Night

Sunday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am.  Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Low: 75 °F

Chance
T-storms then
Chance
Showers

Memorial
Day

Memorial Day: A 30 percent chance of showers and thunderstorms, mainly before 2pm.  Partly sunny, with a high near 87.

High: 87 °F

Chance
Showers


Monday
Night

Monday Night: Mostly cloudy, with a low around 76.

Low: 76 °F

Mostly Cloudy



Tuesday

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

High: 88 °F

Chance
Showers then
Chance
T-storms




This Afternoon: Mostly sunny, with a high near 87. South wind 9 to 13 mph.

Tonight: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 75. South wind 5 to 8 mph.

Saturday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 20%.

Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. South wind 3 to 6 mph. Chance of precipitation is 30%.

Sunday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Memorial Day: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 87.

Monday Night: Mostly cloudy, with a low around 76.

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

Tuesday Night: A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

Wednesday: Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Thursday: Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.



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

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