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.

A Few Clouds

64°F

18°C

Humidity 73%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Feb 5:55 pm EST
Extended Forecast for

Summerville SC

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Low around 55. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 3pm, then showers likely. High near 65. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 7pm and 1am. Cloudy, with a low around 52. Light north wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 66. North wind 5 to 7 mph.

    High: 66 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Low around 55. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers and possibly a thunderstorm before 3pm, then showers likely. High near 65. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly between 7pm and 1am. Cloudy, with a low around 52. Light north wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 66. North wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 46. Calm wind.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Tuesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville SC
 32.99°N 80.17°W (Elev. 75 ft)
Last Update:
1:40 pm EST Feb 26, 2026
Forecast Valid:
6pm EST Feb 26, 2026-6pm EST Mar 5, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation