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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:45 am EDT Sep 14, 2026

Today High: 94 °F Sunny Tonight Low: 76 °F Mostly Clear Tuesday High: 86 °F Mostly Sunny Tuesday Night Low: 70 °F Mostly Clear Wednesday High: 85 °F Sunny Wednesday Night Low: 70 °F Mostly Clear Thursday High: 86 °F Sunny Thursday Night Low: 72 °F Mostly Clear Friday High: 87 °F Slight Chance T-storms

Today: Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming north around 5 mph. Tonight: Mostly clear, with a low around 76. Calm wind becoming northeast around 6 mph after midnight. Tuesday: Mostly sunny, with a high near 86. East wind 11 to 16 mph, with gusts as high as 25 mph. Tuesday Night: Mostly clear, with a low around 70. East wind 7 to 11 mph. Wednesday: Sunny, with a high near 85. Northeast wind 9 to 15 mph, with gusts as high as 22 mph. Wednesday Night: Mostly clear, with a low around 70. Thursday: Sunny, with a high near 86. Thursday Night: Mostly clear, with a low around 72. Friday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87. Friday Night: Mostly clear, with a low around 73. Saturday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88. Saturday Night: Partly cloudy, with a low around 74. Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

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

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