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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 16, 2026

Today High: 86 °F Mostly Sunny Tonight Low: 70 °F Mostly Clear Thursday High: 86 °F Sunny Thursday Night Low: 71 °F Partly Cloudy Friday High: 89 °F Sunny Friday Night Low: 73 °F Mostly Clear Saturday High: 88 °F Sunny then Slight Chance T-storms Saturday Night Low: 73 °F Slight Chance T-storms Sunday High: 87 °F Chance Showers

Today: Mostly sunny, with a high near 86. North wind 8 to 14 mph, with gusts as high as 21 mph. Tonight: Mostly clear, with a low around 70. East wind 5 to 9 mph becoming light northeast after midnight. Thursday: Sunny, with a high near 86. North wind 6 to 9 mph becoming east in the afternoon. Thursday Night: Partly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening. Friday: Sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Friday Night: Mostly clear, with a low around 73. Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Sunday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 87. Sunday Night: A slight chance of showers before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 20%. Monday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Tuesday: Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.

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

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