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

81°F

27°C

Humidity 84%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 30 Aug 7:55 pm EDT
Extended Forecast for

3 Miles ESE Summerville Airport SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 90. Light and variable wind.
Monday Night
Partly cloudy, with a low around 72. Calm wind.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73. Light and variable wind.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 74.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Summerville Airport SC
 33.04°N 80.24°W (Elev. 59 ft)
Last Update:
7:23 pm EDT Aug 30, 2026
Forecast Valid:
8pm EDT Aug 30, 2026-6pm EDT Sep 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