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.

Fair

66°F

19°C

Humidity 94%
Wind Speed Vrbl 5 mph
Barometer 29.78 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 16 Mar 5:15 am EDT
Extended Forecast for

4 Miles SSW Summerville SC

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. High near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    T-storms then
    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Northwest wind around 9 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. Light northwest wind.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 14 mph, with gusts as high as 22 mph.
Monday
Showers and thunderstorms, mainly after 1pm. Some of the storms could be severe. High near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 34. West wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 53. Northwest wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 33. Light northwest wind.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Summerville SC
 32.95°N 80.2°W (Elev. 30 ft)
Last Update:
2:40 am EDT Mar 16, 2026
Forecast Valid:
5am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation