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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:48 pm EDT Jun 9, 2026

Tonight Low: 75 °F Increasing Clouds Wednesday High: 90 °F Partly Sunny Wednesday Night Low: 76 °F Partly Cloudy Thursday High: 91 °F Mostly Sunny then Slight Chance T-storms Thursday Night Low: 78 °F Partly Cloudy Friday High: 94 °F Mostly Sunny then Chance T-storms Friday Night Low: 77 °F Chance T-storms then Partly Cloudy Saturday High: 96 °F Mostly Sunny then Chance T-storms Saturday Night Low: 78 °F Chance T-storms

Tonight: Increasing clouds, with a low around 75. Southeast wind 5 to 9 mph becoming calm in the evening. Wednesday: Partly sunny, with a high near 90. Light south wind increasing to 5 to 10 mph in the afternoon. Wednesday Night: Partly cloudy, with a low around 76. Southwest wind 6 to 10 mph. Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Southwest wind 5 to 11 mph. Thursday Night: Partly cloudy, with a low around 78. Southwest wind 7 to 10 mph. Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Saturday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Tuesday: A 50 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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