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

66°F

19°C

Humidity 40%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 1 Nov 4:35 pm EDT
Extended Forecast for

4 Miles WSW Harleyville SC

  • Tonight

    Tonight: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Sunday

    Sunday: Partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 49. North wind 3 to 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 65. North wind 5 to 8 mph.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 46. North wind around 6 mph.

    Low: 46 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 43. Calm wind.
Sunday
Partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49. North wind 3 to 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 65. North wind 5 to 8 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46. North wind around 6 mph.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Harleyville SC
 33.2°N 80.5°W (Elev. 79 ft)
Last Update:
2:32 pm EDT Nov 1, 2025
Forecast Valid:
4pm EDT Nov 1, 2025-6pm EST Nov 8, 2025
 
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