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

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 5 Mar 7:35 pm EST
Extended Forecast for

3 Miles SSW Summerville SC

  • Tonight

    Tonight: Patchy dense fog after midnight. Otherwise, increasing clouds, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Friday

    Friday: Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 80 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. South wind around 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after midnight. Otherwise, increasing clouds, with a low around 60. South wind around 5 mph becoming calm in the evening.
Friday
Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 63. South wind around 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 82.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summerville SC
 32.97°N 80.2°W (Elev. 39 ft)
Last Update:
7:32 pm EST Mar 5, 2026
Forecast Valid:
7pm EST Mar 5, 2026-6pm EDT Mar 12, 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