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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 8:31 am EDT Jul 4, 2026

Independence Day High: 93 °F Sunny Tonight Low: 79 °F Increasing Clouds Sunday High: 95 °F Mostly Sunny then Slight Chance T-storms Sunday Night Low: 81 °F Partly Cloudy Monday High: 96 °F Mostly Sunny then Chance T-storms Monday Night Low: 81 °F Chance T-storms then Partly Cloudy Tuesday High: 96 °F Mostly Sunny then Chance T-storms Tuesday Night Low: 79 °F Chance T-storms Wednesday High: 95 °F Mostly Sunny then Chance T-storms

Independence Day: Sunny, with a high near 93. Heat index values as high as 103. South wind 6 to 10 mph. Tonight: Increasing clouds, with a low around 79. South wind 5 to 9 mph becoming light after midnight. Sunday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 95. Heat index values as high as 109. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 20%. Sunday Night: Partly cloudy, with a low around 81. Southwest wind 7 to 10 mph. Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Southwest wind 6 to 13 mph. Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79. Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Thursday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. Friday: A 20 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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