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

63°F

17°C

Humidity 19%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 12 Feb 4:35 pm EST
Extended Forecast for

4 Miles SSW Summerville SC

  • Tonight

    Tonight: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Northeast wind 5 to 7 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Light southeast wind.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 69. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 55. Chance of precipitation is 100%.

    Low: 55 °F

    Showers

  • Washington's Birthday

    Washington's Birthday: A 40 percent chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Calm wind.
Friday
Sunny, with a high near 60. Northeast wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 35. Calm wind.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Light southeast wind.
Sunday
Showers. High near 69. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 55. Chance of precipitation is 100%.
Washington's Birthday
A 40 percent chance of showers. Mostly cloudy, with a high near 65.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Summerville SC
 32.95°N 80.2°W (Elev. 30 ft)
Last Update:
1:30 pm EST Feb 12, 2026
Forecast Valid:
5pm EST Feb 12, 2026-6pm EST Feb 19, 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