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.

A Few Clouds

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 20 May 3:15 am EDT
Extended Forecast for

3 Miles W Summerville SC

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. South wind 5 to 9 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. South wind 5 to 7 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 64. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 66. South wind 5 to 9 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 69. South wind 5 to 7 mph becoming calm in the evening.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 89.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Summerville SC
 33.02°N 80.25°W (Elev. 49 ft)
Last Update:
3:02 am EDT May 20, 2026
Forecast Valid:
3am EDT May 20, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation