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.

Overcast

43°F

6°C

Humidity 61%
Wind Speed Vrbl 3 mph
Barometer 30.42 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 29 Nov 8:15 pm EST
Extended Forecast for

Summerville SC

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northeast wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 9pm and 10pm. Otherwise, mostly cloudy, with a low around 47. Calm wind becoming north around 6 mph after midnight.

    Low: 47 °F

    Patchy Fog
    then Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58. Northeast wind 7 to 9 mph.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after 4am. Cloudy, with a low around 47. Northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 65. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before midnight, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 67. Light and variable wind.
Sunday Night
Patchy fog between 9pm and 10pm. Otherwise, mostly cloudy, with a low around 47. Calm wind becoming north around 6 mph after midnight.
Monday
Mostly cloudy, with a high near 58. Northeast wind 7 to 9 mph.
Monday Night
Showers likely, with thunderstorms also possible after 4am. Cloudy, with a low around 47. Northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 65. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Patchy fog before midnight, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 39.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
Friday Night
Showers likely. Cloudy, with a low around 45. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville SC
 33.02°N 80.19°W (Elev. 75 ft)
Last Update:
7:32 pm EST Nov 29, 2025
Forecast Valid:
8pm EST Nov 29, 2025-6pm EST Dec 6, 2025
 
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