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

Hazardous Weather Conditions

Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Partly Cloudy

88°F

31°C

Humidity 43%
Wind Speed S 8 mph
Barometer 29.89 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Apr 4:35 pm EDT
Extended Forecast for

Summerville Airport SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South wind 5 to 7 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between 1pm and 3pm. Increasing clouds, with a high near 80. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. South wind 5 to 7 mph.
Sunday
A 30 percent chance of showers, mainly between 1pm and 3pm. Increasing clouds, with a high near 80. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Calm wind.
Monday
Sunny, with a high near 76. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 48. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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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:
2:36 pm EDT Apr 18, 2026
Forecast Valid:
5pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation