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.

A Few Clouds

50°F

10°C

Humidity 58%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 14 Feb 7:55 pm EST
Extended Forecast for

Summerville Airport SC

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 69. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly before 1am. Low around 50. South wind 5 to 9 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 66. North wind 6 to 9 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. Calm wind.
Sunday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 69. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 1am. Low around 50. South wind 5 to 9 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
Mostly sunny, with a high near 66. North wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly cloudy, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 75.
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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:
7:33 pm EST Feb 14, 2026
Forecast Valid:
8pm EST Feb 14, 2026-6pm EST Feb 21, 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