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.

Mostly Cloudy

77°F

25°C

Humidity 69%
Wind Speed E 9 G 18 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 15 Mar 1:35 pm EDT
Extended Forecast for

3 Miles S Summerville SC

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 78. Southeast wind around 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 63. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 75. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 11 to 16 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Northwest wind around 10 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 78. Southeast wind around 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 63. South wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 75. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 11 to 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 52. Northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Summerville SC
 32.97°N 80.17°W (Elev. 30 ft)
Last Update:
8:32 am EDT Mar 15, 2026
Forecast Valid:
1pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation