| National Weather Service Forecast for:
Summerville SC Issued by: National Weather Service Charleston, SC |
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| Updated: 8:40 am EDT May 4, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 78. South wind around 6 mph. |
| Tonight |
Partly cloudy, with a low around 55. South wind around 6 mph becoming calm in the evening. |
| Tuesday |
Sunny, with a high near 79. Light south wind increasing to 5 to 10 mph in the afternoon. |
| Tuesday Night |
Mostly clear, with a low around 61. South wind 5 to 7 mph. |
| Wednesday |
Mostly sunny, with a high near 86. South wind 6 to 13 mph, with gusts as high as 22 mph. |
| Wednesday Night |
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 68. |
| Thursday |
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. |
| Thursday Night |
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%. |
| Friday |
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 40%. |
| Friday Night |
A 30 percent chance of showers. Mostly cloudy, with a low around 55. |
| Saturday |
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. |
| Saturday Night |
Partly cloudy, with a low around 58. |
| Sunday |
Mostly sunny, with a high near 82. |
Forecast from NOAA-NWS for Summerville SC.
