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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 9:11 pm EDT May 15, 2026

Overnight Low: 63 °F Clear Saturday High: 83 °F Sunny Saturday Night Low: 69 °F Increasing Clouds Sunday High: 86 °F Partly Sunny Sunday Night Low: 70 °F Partly Cloudy Monday High: 85 °F Sunny Monday Night Low: 69 °F Mostly Clear Tuesday High: 86 °F Sunny Tuesday Night Low: 71 °F Mostly Clear

Hazardous Weather Outlook Overnight: Clear, with a low around 63. Light south wind. Saturday: Sunny, with a high near 83. Light southeast wind becoming south 5 to 10 mph in the morning. Saturday Night: Increasing clouds, with a low around 69. Southeast wind 3 to 6 mph. Sunday: Partly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Sunday Night: Partly cloudy, with a low around 70. Southeast wind around 6 mph becoming calm in the evening. Monday: Sunny, with a high near 85. Monday Night: Mostly clear, with a low around 69. Tuesday: Sunny, with a high near 86. Tuesday Night: Mostly clear, with a low around 71. Wednesday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 86. Wednesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 71. Thursday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Thursday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

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

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