Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

A Few Clouds

86°F

30°C

Humidity 70%
Wind Speed Vrbl 6 mph
Barometer 30.10 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 27 Jun 11:35 am EDT
Extended Forecast for

4 Miles WSW Harleyville SC

  • Today

    Today: Sunny, with a high near 95. Heat index values as high as 102. Southwest wind around 6 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Light south wind.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of thunderstorms, mainly after 5pm.  Sunny, with a high near 96. Heat index values as high as 105. West wind 3 to 7 mph.  Chance of precipitation is 30%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 96. Light and variable wind.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 102. Southwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 75. Light south wind.
Sunday
A chance of thunderstorms, mainly after 5pm. Sunny, with a high near 96. Heat index values as high as 105. West wind 3 to 7 mph. Chance of precipitation is 30%.
Sunday Night
A 50 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Light and variable wind.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Harleyville SC
 33.2°N 80.5°W (Elev. 79 ft)
8:32 am EDT Jun 27, 2026
11am EDT Jun 27, 2026-6pm EDT Jul 3, 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