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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 11:30 pm EDT Jul 16, 2026
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Overnight

Overnight: Mostly clear, with a low around 79. Light southwest wind.

Low: 79 °F

Mostly Clear



Friday

Friday: Sunny, with a high near 95. Heat index values as high as 109. Light and variable wind becoming south 5 to 10 mph in the afternoon.

High: 95 °F

Sunny



Friday
Night

Friday Night: Mostly clear, with a low around 80. South wind 3 to 8 mph.

Low: 80 °F

Mostly Clear



Saturday

Saturday: Sunny, with a high near 93. Heat index values as high as 108. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

High: 93 °F

Sunny



Saturday
Night

Saturday Night: A slight chance of showers and thunderstorms.  Mostly clear, with a low around 79. South wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

Low: 79 °F

Slight Chance
T-storms


Sunday

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 92. Chance of precipitation is 30%.

High: 92 °F

Chance
T-storms


Sunday
Night

Sunday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77.

Low: 77 °F

Chance
T-storms


Monday

Monday: Showers and thunderstorms likely, mainly after 2pm.  Mostly sunny, with a high near 91. Chance of precipitation is 60%.

High: 91 °F

T-storms
Likely


Monday
Night

Monday Night: Showers and thunderstorms likely, mainly before 8pm.  Partly cloudy, with a low around 78. Chance of precipitation is 60%.

Low: 78 °F

T-storms
Likely then
Chance
T-storms


Overnight: Mostly clear, with a low around 79. Light southwest wind.

Friday: Sunny, with a high near 95. Heat index values as high as 109. Light and variable wind becoming south 5 to 10 mph in the afternoon.

Friday Night: Mostly clear, with a low around 80. South wind 3 to 8 mph.

Saturday: Sunny, with a high near 93. Heat index values as high as 108. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

Saturday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 79. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Chance of precipitation is 30%.

Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

Monday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.

Monday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 78. Chance of precipitation is 60%.

Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 92.

Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.

Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79.

Thursday: Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 60%.



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

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