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 62%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Apr 7:55 pm EDT
Extended Forecast for

3 Miles SSW Summerville SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Southwest wind around 7 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. Southwest wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 49. North wind around 6 mph.

    Low: 49 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 76. North wind 5 to 7 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Calm wind becoming north around 5 mph after midnight.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Southwest wind around 7 mph.
Sunday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. Southwest wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 49. North wind around 6 mph.
Monday
Sunny, with a high near 76. North wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 50. Calm wind becoming north around 5 mph after midnight.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summerville SC
 32.95°N 80.2°W (Elev. 30 ft)
Last Update:
6:52 pm EDT Apr 18, 2026
Forecast Valid:
8pm EDT Apr 18, 2026-6pm EDT Apr 25, 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