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

86°F

30°C

Humidity 35%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Mar 5:15 pm EDT
Extended Forecast for

Summerville Airport SC

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light west wind.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Southwest wind around 6 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 86. West wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 51. Light north wind becoming northeast 5 to 9 mph in the evening. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Light west wind.
Sunday
Sunny, with a high near 87. Southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 62. Southwest wind around 6 mph.
Monday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 86. West wind 8 to 10 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 51. Light north wind becoming northeast 5 to 9 mph in the evening. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 48.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerville Airport SC
 33.07°N 80.27°W (Elev. 23 ft)
Last Update:
2:30 pm EDT Mar 21, 2026
Forecast Valid:
5pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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