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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 8:30 am EDT Jul 5, 2026

This Afternoon High: 95 °F Chance T-storms Tonight Low: 81 °F Partly Cloudy Monday High: 95 °F Sunny Monday Night Low: 81 °F Slight Chance T-storms Tuesday High: 95 °F Sunny then Slight Chance T-storms Tuesday Night Low: 80 °F Chance T-storms Wednesday High: 95 °F Mostly Sunny then Slight Chance T-storms Wednesday Night Low: 80 °F Slight Chance T-storms Thursday High: 95 °F Sunny then Slight Chance T-storms

Heat Advisory This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 95. Heat index values as high as 109. South wind 9 to 11 mph. Tonight: Partly cloudy, with a low around 81. South wind 6 to 9 mph. Monday: Sunny, with a high near 95. Heat index values as high as 109. Southwest wind 6 to 13 mph, with gusts as high as 20 mph. Monday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 81. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Southwest wind 7 to 14 mph. Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 80. Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Wednesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80. Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Thursday Night: Partly cloudy, with a low around 81. Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97. Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81. Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.

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

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