Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Overcast

79°F

26°C

Humidity 89%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index83°F (28°C)
Last update 4 Oct 11:55 am EDT
Extended Forecast for

4 Miles WSW Harleyville SC

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 82. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 67. Calm wind.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 67 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and 1pm.  Cloudy, with a high near 75. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Calm wind becoming northeast around 6 mph after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Northeast wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 75 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm.  Mostly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 67. Calm wind. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and 1pm. Cloudy, with a high near 75. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 61. Calm wind becoming northeast around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 75. Northeast wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Harleyville SC
 33.2°N 80.5°W (Elev. 79 ft)
8:31 am EDT Oct 4, 2026
12pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
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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