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

68°F

20°C

Humidity 88%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 7 Oct 7:55 pm EDT
Extended Forecast for

4 Miles SSW Summerville SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 82. Calm wind.

    High: 82 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 78. Northeast wind around 7 mph.

    High: 78 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Cloudy, with a low around 67. Northeast wind 7 to 9 mph.

    Low: 67 °F

    Cloudy then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 78. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 90%.

    Low: 71 °F

    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Calm wind.
Thursday
Increasing clouds, with a high near 82. Calm wind.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 63. Calm wind.
Friday
Mostly cloudy, with a high near 78. Northeast wind around 7 mph.
Friday Night
A 40 percent chance of showers after 2am. Cloudy, with a low around 67. Northeast wind 7 to 9 mph.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 78. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Sunday Night
Showers likely before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Columbus Day
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Summerville SC
 32.95°N 80.2°W (Elev. 30 ft)
Last Update:
2:45 pm EDT Oct 7, 2026
Forecast Valid:
8pm EDT Oct 7, 2026-6pm EDT Oct 14, 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