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

32°F

0°C

Humidity 100%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 Feb 12:55 am EST
Extended Forecast for

4 Miles SSW Summerville SC

  • Overnight

    Overnight: Clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 64. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 68. East wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 52. South wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Washington's Birthday

    Washington's Birthday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 33. Calm wind.
Saturday
Sunny, with a high near 64. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 48. Calm wind.
Sunday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 68. East wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 52. South wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 79.
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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:
12:25 am EST Feb 14, 2026
Forecast Valid:
1am EST Feb 14, 2026-6pm EST Feb 20, 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