Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Fair

81°F

27°C

Humidity 94%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 19 Aug 1:35 am EDT
Extended Forecast for

2 Miles WNW Summerville SC

  • Overnight

    Overnight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. Heat index values as high as 107. Light and variable wind.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. East wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 97. Heat index values as high as 108. Calm wind becoming south around 6 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind around 6 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm.  Mostly sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Calm wind.
Wednesday
Sunny, with a high near 98. Heat index values as high as 107. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97. Heat index values as high as 108. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. South wind around 6 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Friday Night
A 50 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Summerville SC
 33.02°N 80.22°W (Elev. 66 ft)
8:32 pm EDT Aug 18, 2026
1am EDT Aug 19, 2026-6pm EDT Aug 25, 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