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

66°F

19°C

Humidity 78%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 31 Mar 9:15 am EDT
Extended Forecast for

Summerville Airport SC

  • Today

    Today: Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Light south wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. Light south wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. Light south wind.
Wednesday
Partly sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. Light south wind.
Thursday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville Airport SC
 33.07°N 80.27°W (Elev. 23 ft)
Last Update:
8:32 am EDT Mar 31, 2026
Forecast Valid:
9am EDT Mar 31, 2026-6pm EDT Apr 6, 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