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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 7:22 pm EDT May 25, 2026

Tonight Low: 75 °F Partly Cloudy then Chance Showers Tuesday High: 88 °F Chance Showers Tuesday Night Low: 75 °F Partly Cloudy then Slight Chance T-storms Wednesday High: 89 °F Chance Showers then Chance T-storms Wednesday Night Low: 74 °F Chance T-storms Thursday High: 92 °F Partly Sunny then Chance T-storms Thursday Night Low: 72 °F Chance T-storms Friday High: 85 °F Chance Showers then Chance T-storms Friday Night Low: 70 °F Showers Likely

Hazardous Weather Outlook Tonight: A chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers. Partly cloudy, with a low around 75. South wind 6 to 10 mph. Chance of precipitation is 30%. Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88. South wind 9 to 14 mph, with gusts as high as 21 mph. Tuesday Night: A slight chance of showers and thunderstorms between midnight and 1am. Partly cloudy, with a low around 75. South wind 6 to 9 mph. Chance of precipitation is 20%. Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Southwest wind 8 to 11 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind 6 to 9 mph. Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 50%. Friday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 85. Chance of precipitation is 50%. Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. Saturday: Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%. Saturday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%. Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.

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

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