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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 19, 2026

Overnight Low: 65 °F Patchy Fog Tuesday High: 86 °F Patchy Fog then Sunny Tuesday Night Low: 66 °F Mostly Clear Wednesday High: 88 °F Patchy Fog then Mostly Sunny Wednesday Night Low: 71 °F Mostly Clear Thursday High: 88 °F Sunny Thursday Night Low: 73 °F Mostly Clear Friday High: 87 °F Chance Showers Friday Night Low: 74 °F Partly Cloudy

Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 65. Calm wind. Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Light southeast wind increasing to 8 to 13 mph in the afternoon. Tuesday Night: Mostly clear, with a low around 66. Southeast wind 5 to 9 mph becoming calm in the evening. Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 88. Calm wind becoming southeast 5 to 9 mph in the afternoon. Wednesday Night: Mostly clear, with a low around 71. South wind 5 to 7 mph becoming calm in the evening. Thursday: Sunny, with a high near 88. Thursday Night: Mostly clear, with a low around 73. Friday: A 30 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 87. Friday Night: Partly cloudy, with a low around 74. Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 75. Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Memorial Day: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

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

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