National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Fair

27°F

-3°C

Humidity 100%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Jan 4:15 am EST
Extended Forecast for

3 Miles SSW Summerville SC

  • Today

    Today: Mostly sunny, with a high near 64. South wind 6 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 37. Calm wind becoming northwest around 6 mph after midnight.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 1pm. High near 46. Northwest wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 26. West wind around 6 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 51. West wind 5 to 8 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 64. South wind 6 to 10 mph.
Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 37. Calm wind becoming northwest around 6 mph after midnight.
Sunday
Showers, mainly before 1pm. High near 46. Northwest wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 26. West wind around 6 mph.
M.L.King Day
Sunny, with a high near 51. West wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 62.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summerville SC
 32.97°N 80.2°W (Elev. 39 ft)
Last Update:
1:30 am EST Jan 17, 2026
Forecast Valid:
4am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation