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

70°F

21°C

Humidity 83%
Wind Speed Vrbl 7 G 13 mph
Barometer 30.08 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Mar 10:15 am EDT
Extended Forecast for

Summerville Airport SC

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 78. Southeast wind 7 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. South wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 74. South wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Northwest wind 7 to 9 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 78. Southeast wind 7 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. South wind 5 to 9 mph, with gusts as high as 20 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 74. South wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 51. Northwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerville Airport SC
 33.07°N 80.27°W (Elev. 23 ft)
Last Update:
8:32 am EDT Mar 15, 2026
Forecast Valid:
10am EDT Mar 15, 2026-6pm EDT Mar 21, 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