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.

Overcast

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Feb 4:35 am EST
Extended Forecast for

Summerville Airport SC

  • Today

    Today: A chance of showers before 2pm, then a slight chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Southwest wind around 7 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 82. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 75. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 52. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
A chance of showers before 2pm, then a slight chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 60. Southwest wind around 7 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 82. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and possibly a thunderstorm. High near 75. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 52. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 50 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Mostly sunny, with a high near 61.
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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:
1:30 am EST Feb 19, 2026
Forecast Valid:
4am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation