| National Weather Service Forecast for:
Summerville SC Issued by: National Weather Service Charleston, SC |
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| Updated: 7:48 am EDT Jun 23, 2025 | ||||||||||||||||||
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| Today |
Sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon. |
| Tonight |
Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening. |
| Tuesday |
Sunny, with a high near 97. Heat index values as high as 106. Light and variable wind. |
| Tuesday Night |
Partly cloudy, with a low around 76. Light and variable wind. |
| Wednesday |
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97. Calm wind becoming south around 6 mph in the afternoon. |
| Wednesday Night |
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. |
| Thursday |
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. |
| Thursday Night |
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. |
| Friday |
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. |
| Friday Night |
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. |
| Saturday |
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93. |
| Saturday Night |
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. |
| Sunday |
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93. |
Forecast from NOAA-NWS for Summerville SC.
