| National Weather Service Forecast for:
Summerville SC Issued by: National Weather Service Charleston, SC |
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| Updated: 4:35 pm EST Dec 16, 2025 | ||||||||||||||||||
|
| Tonight |
Mostly clear, with a low around 34. Calm wind. |
| Wednesday |
Increasing clouds, with a high near 62. Light and variable wind. |
| Wednesday Night |
A 20 percent chance of rain after 1am. Cloudy, with a low around 48. Calm wind. |
| Thursday |
Rain likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 66. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
| Thursday Night |
Rain likely and possibly a thunderstorm. Cloudy, with a low around 55. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
| Friday |
Sunny, with a high near 62. |
| Friday Night |
Clear, with a low around 35. |
| Saturday |
Sunny, with a high near 61. |
| Saturday Night |
Mostly clear, with a low around 41. |
| Sunday |
Sunny, with a high near 67. |
| Sunday Night |
Mostly clear, with a low around 41. |
| Monday |
Mostly sunny, with a high near 61. |
| Monday Night |
Partly cloudy, with a low around 42. |
| Tuesday |
Mostly sunny, with a high near 63. |
Forecast from NOAA-NWS for Summerville SC.
