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

50°F

10°C

Humidity 88%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Jan 9:35 pm EST
Extended Forecast for

4 Miles SSW Summerville SC

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 40. Northeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Cloudy, with a high near 47. Northeast wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 34. Northeast wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers. Cloudy, with a high near 61. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Calm wind.
Friday
Partly sunny, with a high near 65. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 40. Northeast wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of showers after 1pm. Cloudy, with a high near 47. Northeast wind 11 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Showers likely. Cloudy, with a low around 34. Northeast wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 61. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 37. Chance of precipitation is 80%.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 52.
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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:
7:33 pm EST Jan 22, 2026
Forecast Valid:
9pm EST Jan 22, 2026-6pm EST Jan 29, 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