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

81°F

27°C

Humidity 66%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 23 Jun 10:55 pm EDT
Extended Forecast for

2 Miles WNW Summerville SC

  • Tonight

    Tonight: Mostly clear, with a low around 71. North wind 3 to 5 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Northeast wind 5 to 7 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 71. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 90. Northeast wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. Southeast wind 5 to 7 mph becoming calm in the evening.
Friday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 99.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Summerville SC
 33.02°N 80.22°W (Elev. 66 ft)
Last Update:
8:30 pm EDT Jun 23, 2026
Forecast Valid:
11pm EDT Jun 23, 2026-6pm EDT Jun 30, 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