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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:35 pm EDT Jul 7, 2026

This Afternoon High: 94 °F Chance T-storms Tonight Low: 80 °F Partly Cloudy Wednesday High: 96 °F Sunny then Slight Chance T-storms Wednesday Night Low: 81 °F Partly Cloudy Thursday High: 96 °F Sunny Thursday Night Low: 81 °F Mostly Clear Friday High: 97 °F Sunny Friday Night Low: 81 °F Partly Cloudy Saturday High: 98 °F Sunny then Slight Chance T-storms

Heat Advisory Extreme Heat Watch This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 109. Southwest wind around 11 mph. Tonight: Partly cloudy, with a low around 80. South wind 7 to 11 mph. Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 112. West wind 6 to 13 mph. Wednesday Night: Partly cloudy, with a low around 81. Southwest wind 8 to 11 mph. Thursday: Sunny, with a high near 96. West wind 7 to 14 mph, with gusts as high as 21 mph. Thursday Night: Mostly clear, with a low around 81. Friday: Sunny, with a high near 97. Friday Night: Partly cloudy, with a low around 81. Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 98. Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 79. Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Chance of precipitation is 60%. Monday: Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%. Monday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. Tuesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

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

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