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

93°F

34°C

Humidity 47%
Wind Speed N 8 mph
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 29 Jun 4:15 pm EDT
Extended Forecast for

6 Miles SSW Summerville SC

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Heat index values as high as 101. North wind around 5 mph.

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly clear, with a low around 76. Light southeast wind.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Northeast wind 3 to 7 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. East wind 5 to 7 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Northeast wind 3 to 8 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 72.

    Low: 72 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Heat index values as high as 101. North wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly clear, with a low around 76. Light southeast wind.
Tuesday
Sunny, with a high near 93. Northeast wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 72. East wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Northeast wind 3 to 8 mph.
Wednesday Night
Clear, with a low around 72.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 75.
Independence Day
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Summerville SC
 32.93°N 80.23°W (Elev. 23 ft)
Last Update:
2:30 pm EDT Jun 29, 2026
Forecast Valid:
4pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026
 
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