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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:45 pm EDT Oct 2, 2026

Tonight Low: 74 °F Mostly Cloudy Saturday High: 84 °F Showers Likely Saturday Night Low: 74 °F Chance T-storms then Showers Likely Sunday High: 82 °F Showers Likely then Showers Sunday Night Low: 71 °F Showers Monday High: 76 °F Showers Monday Night Low: 64 °F Showers Likely Tuesday High: 73 °F Chance Showers Tuesday Night Low: 58 °F Chance Showers

Tonight: Mostly cloudy, with a low around 74. South wind 5 to 7 mph becoming calm in the evening. Saturday: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Saturday Night: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 74. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. Sunday Night: Showers and possibly a thunderstorm. Low around 71. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible. Monday: Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible. Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Cloudy, with a low around 64. Chance of precipitation is 60%. Tuesday: A 30 percent chance of showers. Mostly cloudy, with a high near 73. Tuesday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 58. Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 72. Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 59. Thursday: A 20 percent chance of showers. Partly sunny, with a high near 75. Thursday Night: Mostly cloudy, with a low around 59. Friday: A 20 percent chance of showers. Partly sunny, with a high near 77.

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

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