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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 8:30 pm EDT Jun 13, 2026

Tonight Low: 80 °F Mostly Cloudy Sunday High: 96 °F Mostly Sunny then Chance T-storms Sunday Night Low: 80 °F Chance T-storms then Partly Cloudy Monday High: 95 °F Sunny then Chance T-storms Monday Night Low: 76 °F Chance T-storms then Chance Showers Tuesday High: 88 °F Chance T-storms then Showers Likely Tuesday Night Low: 73 °F Showers Likely then Chance T-storms Wednesday High: 88 °F Chance T-storms Wednesday Night Low: 77 °F Mostly Cloudy

Tonight: Mostly cloudy, with a low around 80. Southwest wind 6 to 8 mph. Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 110. Southwest wind 5 to 13 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Monday: A 50 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 95. Heat index values as high as 105. West wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 76. Southwest wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. Wednesday: A 40 percent chance of showers and thunderstorms before 2pm. Mostly cloudy, with a high near 88. Wednesday Night: Mostly cloudy, with a low around 77. Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Thursday Night: Partly cloudy, with a low around 79. Juneteenth: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Saturday: Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.

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

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