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.

Light Rain

52°F

11°C

Humidity 88%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Jan 2:35 am EST
Extended Forecast for

3 Miles SSW Summerville SC

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 4am. Cloudy, with a steady temperature around 48. Calm wind becoming north around 6 mph.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 4pm. High near 48. North wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 26. West wind 3 to 6 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 51. West wind 5 to 8 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. Light west wind.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 39.

    Low: 39 °F

    Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 4am. Cloudy, with a steady temperature around 48. Calm wind becoming north around 6 mph.
Sunday
Showers, mainly before 4pm. High near 48. North wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 26. West wind 3 to 6 mph.
M.L.King Day
Sunny, with a high near 51. West wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 27. Light west wind.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Cloudy, with a low around 39.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summerville SC
 32.95°N 80.2°W (Elev. 30 ft)
Last Update:
2:07 am EST Jan 18, 2026
Forecast Valid:
2am EST Jan 18, 2026-6pm EST Jan 24, 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