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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 11:07 pm EDT Jul 15, 2026

Tonight Low: 76 °F Partly Cloudy Thursday High: 93 °F Sunny Thursday Night Low: 78 °F Mostly Clear Friday High: 94 °F Sunny Friday Night Low: 79 °F Mostly Clear Saturday High: 93 °F Sunny Saturday Night Low: 80 °F Slight Chance T-storms Sunday High: 93 °F Sunny then Chance T-storms Sunday Night Low: 78 °F Chance T-storms

Tonight: Partly cloudy, with a low around 76. Calm wind. Thursday: Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming south 5 to 8 mph in the afternoon. Thursday Night: Mostly clear, with a low around 78. South wind 5 to 7 mph becoming calm in the evening. Friday: Sunny, with a high near 94. 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 79. South wind 3 to 8 mph. Saturday: Sunny, with a high near 93. Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 80. Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Monday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. Tuesday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93. Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81. Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

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

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