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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:30 am EDT May 17, 2026

Overnight Low: 70 °F Mostly Cloudy Sunday High: 86 °F Partly Sunny Sunday Night Low: 68 °F Mostly Clear Monday High: 85 °F Sunny Monday Night Low: 69 °F Mostly Clear Tuesday High: 85 °F Sunny Tuesday Night Low: 70 °F Mostly Clear Wednesday High: 88 °F Mostly Sunny Wednesday Night Low: 72 °F Mostly Clear

Overnight: Mostly cloudy, with a low around 70. Light southeast wind. Sunday: Partly sunny, with a high near 86. Light south wind increasing to 8 to 13 mph in the morning. Sunday Night: Mostly clear, with a low around 68. South wind around 6 mph becoming calm in the evening. Monday: Sunny, with a high near 85. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Monday Night: Mostly clear, with a low around 69. Southeast wind 5 to 7 mph becoming calm in the evening. Tuesday: Sunny, with a high near 85. Tuesday Night: Mostly clear, with a low around 70. Wednesday: Mostly sunny, with a high near 88. Wednesday Night: Mostly clear, with a low around 72. Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

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

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