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.

Partly Cloudy

82°F

28°C

Humidity 84%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 6 Aug 8:55 am EDT
Extended Forecast for

6 Miles ENE Summerville Airport SC

  • Today

    Today: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between 9am and 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 73. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly between 9am and 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 73. Light and variable wind.
Saturday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Summerville Airport SC
 33.11°N 80.18°W (Elev. 59 ft)
Last Update:
8:30 am EDT Aug 6, 2026
Forecast Valid:
9am EDT Aug 6, 2026-6pm EDT Aug 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