National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Partly Cloudy

79°F

26°C

Humidity 89%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index83°F (28°C)
Last update 25 May 2:35 pm EDT
Extended Forecast for

4 Miles WSW Summerville SC

  • Memorial Day

    Memorial Day: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Partly cloudy, with a low around 71. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. South wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 71. South wind 3 to 7 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 88. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

Detailed Forecast

Memorial Day
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Partly cloudy, with a low around 71. South wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. South wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Increasing clouds, with a low around 71. South wind 3 to 7 mph.
Wednesday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 88. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Summerville SC
 32.98°N 80.25°W (Elev. 66 ft)
Last Update:
2:30 pm EDT May 25, 2026
Forecast Valid:
2pm EDT May 25, 2026-6pm EDT May 31, 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