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

50°F

10°C

Humidity 88%
Wind Speed Vrbl 3 mph
Barometer 29.98 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Mar 4:55 am EDT
Extended Forecast for

3 Miles SSW Summerville SC

  • Today

    Today: Sunny, with a high near 85. West wind 6 to 9 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Southwest wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Southwest wind 6 to 9 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Southwest wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Sunny, with a high near 88. West wind around 10 mph. Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 85. West wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 61. Southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 87. Southwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 63. Southwest wind around 7 mph.
Monday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Sunny, with a high near 88. West wind around 10 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summerville SC
 32.95°N 80.2°W (Elev. 30 ft)
Last Update:
2:36 am EDT Mar 21, 2026
Forecast Valid:
5am EDT Mar 21, 2026-6pm EDT Mar 27, 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