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.

Mostly Cloudy

66°F

19°C

Humidity 94%
Wind Speed Vrbl 6 G 13 mph
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Feb 7:35 pm EST
Extended Forecast for

4 Miles SSW Summerville SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. South wind 6 to 8 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 61. Southwest wind 3 to 5 mph.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Southwest wind 3 to 6 mph.
Thursday
Mostly cloudy, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 60. South wind 6 to 8 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 61. Southwest wind 3 to 5 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

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 Feb 18, 2026
Forecast Valid:
7pm EST Feb 18, 2026-6pm EST Feb 25, 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