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

77°F

25°C

Humidity 89%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Jul 2:35 am EDT
Extended Forecast for

7 Miles SW Summerville SC

  • Overnight

    Overnight: Mostly clear, with a low around 79. Light south wind.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 95. Heat index values as high as 107. Southwest wind 3 to 8 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. South wind 5 to 9 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Heat index values as high as 107. Southwest wind 5 to 8 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 79. Southwest wind 5 to 7 mph.

    Low: 79 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.

    High: 97 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 79. Light south wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 95. Heat index values as high as 107. Southwest wind 3 to 8 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. South wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 95. Heat index values as high as 107. Southwest wind 5 to 8 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 79. Southwest wind 5 to 7 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.
Wednesday Night
Partly cloudy, with a low around 79.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.
Thursday Night
Partly cloudy, with a low around 79.
Friday
Sunny, with a high near 98.
Friday Night
Partly cloudy, with a low around 79.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Summerville SC
 32.93°N 80.29°W (Elev. 30 ft)
Last Update:
2:40 am EDT Jul 6, 2026
Forecast Valid:
2am EDT Jul 6, 2026-6pm EDT Jul 12, 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