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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 Jul 29, 2026		Print

Today

Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 95. Heat index values as high as 109. West wind around 7 mph.

High: 95 °F

Sunny then
Chance
T-storms

Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

Low: 77 °F

Chance
T-storms


Thursday

Thursday: Sunny, with a high near 94. North wind 5 to 8 mph becoming west in the afternoon.

High: 94 °F

Sunny



Thursday
Night

Thursday Night: Mostly clear, with a low around 77. Light south wind.

Low: 77 °F

Mostly Clear



Friday

Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Calm wind becoming southeast 5 to 8 mph in the afternoon.

High: 93 °F

Sunny then
Slight Chance
T-storms

Friday
Night

Friday Night: Partly cloudy, with a low around 79.

Low: 79 °F

Partly Cloudy



Saturday

Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.

High: 92 °F

Chance
T-storms


Saturday
Night

Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 78.

Low: 78 °F

Chance
T-storms


Sunday

Sunday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%.

High: 91 °F

Showers
Likely then
T-storms
Likely




Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 95. Heat index values as high as 109. West wind around 7 mph.

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

Thursday: Sunny, with a high near 94. North wind 5 to 8 mph becoming west in the afternoon.

Thursday Night: Mostly clear, with a low around 77. Light south wind.

Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Calm wind becoming southeast 5 to 8 mph in the afternoon.

Friday Night: Partly cloudy, with a low around 79.

Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.

Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 78.

Sunday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%.

Sunday Night: Showers and possibly a thunderstorm. Low around 77. Chance of precipitation is 80%.

Monday: Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 70%.

Monday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.

Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.


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

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