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

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 13 Mar 3:15 am EDT
Extended Forecast for

3 Miles SE Summerville Airport SC

  • Overnight

    Overnight: Clear, with a low around 38. Light northeast wind.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Southeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 38. Light northeast wind.
Friday
Sunny, with a high near 69. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 46. Calm wind.
Saturday
Sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Summerville Airport SC
 33.02°N 80.25°W (Elev. 49 ft)
Last Update:
2:30 am EDT Mar 13, 2026
Forecast Valid:
3am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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