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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:40 pm EDT Oct 3, 2026

This Afternoon High: 82 °F Chance T-storms Tonight Low: 73 °F Chance T-storms then Showers Likely Sunday High: 83 °F Showers Likely Sunday Night Low: 71 °F Showers Monday High: 75 °F Showers Monday Night Low: 63 °F Showers Likely then Chance Showers Tuesday High: 73 °F Chance Showers Tuesday Night Low: 60 °F Mostly Cloudy Wednesday High: 75 °F Slight Chance Showers

This Afternoon: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 82. Southeast wind around 6 mph. Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 73. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible. Sunday Night: Showers and possibly a thunderstorm. Low around 71. Calm wind. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. Monday: Showers and possibly a thunderstorm. High near 75. Calm wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible. Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible. Tuesday: A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 73. Tuesday Night: Mostly cloudy, with a low around 60. Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 75. Wednesday Night: Mostly cloudy, with a low around 60. Thursday: Partly sunny, with a high near 78. Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 61. Friday: A 30 percent chance of showers. Partly sunny, with a high near 78. Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 64. Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 78.

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

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