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

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 9 Oct 4:35 am EDT
Extended Forecast for

3 Miles W Summerville SC

  • Today

    Today: Mostly cloudy, with a high near 76. Northeast wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 68. Northeast wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Slight Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Northeast wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 76 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 8pm, then showers and possibly a thunderstorm after 8pm. Low around 72. East wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 76. Northeast wind 5 to 8 mph, with gusts as high as 20 mph.
Tonight
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 68. Northeast wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Northeast wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Saturday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 8pm, then showers and possibly a thunderstorm after 8pm. Low around 72. East wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64.
Columbus Day
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 81.
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Forecast Area
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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:
2:47 am EDT Oct 9, 2026
Forecast Valid:
4am EDT Oct 9, 2026-6pm EDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation