| NWS Forecast for: Summerville SC Issued by: National Weather Service Charleston, SC Last Update: 8:32 pm EDT Aug 10, 2026 | |
| Tonight: Mostly clear, with a low around 76. Southwest wind 3 to 5 mph. Tuesday: Sunny, with a high near 96. Heat index values as high as 107. West wind 5 to 7 mph. Tuesday Night: Mostly clear, with a low around 77. West wind 3 to 5 mph. Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 109. West wind 5 to 7 mph. Wednesday Night: Mostly clear, with a low around 77. Light southwest wind. Thursday: Mostly sunny, with a high near 97. Thursday Night: Partly cloudy, with a low around 78. Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 99. Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78. Saturday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Monday: Mostly sunny, with a high near 98. | |
| Summerville SC 33.01°N 80.17°W (Elev. 49 ft) | |
Visit your local NWS office at: https://www.weather.gov/chs |