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

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 4 Mar 10:35 pm EST
Extended Forecast for

4 Miles SSW Summerville SC

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 78 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Thursday
Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62.
Monday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 80.
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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:
7:30 pm EST Mar 4, 2026
Forecast Valid:
10pm EST Mar 4, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation