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.

Partly Cloudy

66°F

19°C

Humidity 88%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 2 Apr 10:15 pm EDT
Extended Forecast for

Summerville SC

  • Tonight

    Tonight: Isolated showers between midnight and 1am. Partly cloudy, with a low around 62. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Isolated
    Showers

  • Friday

    Friday: A slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light east wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Southeast wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers between midnight and 1am. Partly cloudy, with a low around 62. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light east wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 62. Southeast wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 83. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 63. South wind around 7 mph.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 71.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerville SC
 32.99°N 80.17°W (Elev. 75 ft)
Last Update:
10:07 pm EDT Apr 2, 2026
Forecast Valid:
10pm EDT Apr 2, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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