National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Fair

81°F

27°C

Humidity 89%
Wind Speed Vrbl 5 mph
Barometer 29.97 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 6 Sep 7:55 pm EDT
Extended Forecast for

Summerville SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Partly Sunny
    then Heavy
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Northeast wind 3 to 7 mph.

    Low: 67 °F

    Heavy Rain
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 66. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 90. Light and variable wind.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Northeast wind 3 to 7 mph.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 66. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville SC
 32.99°N 80.17°W (Elev. 75 ft)
Last Update:
5:22 pm EDT Sep 6, 2025
Forecast Valid:
8pm EDT Sep 6, 2025-6pm EDT Sep 13, 2025
 
Forecast Discussion
 
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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