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.

Thunderstorm in Vicinity

86°F

30°C

Humidity 79%
Wind Speed Vrbl 5 mph
Barometer 30.11 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 13 Jun 11:55 am EDT
Extended Forecast for

Summerville Airport SC

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. South wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 73. Light south wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms after 5pm. High near 88. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Low around 74. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Southwest wind 3 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: 90 °F

    Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. South wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 73. Light south wind.
Saturday
A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms after 5pm. High near 88. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Low around 74. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Southwest wind 3 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.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Juneteenth
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville Airport SC
 33.07°N 80.27°W (Elev. 23 ft)
Last Update:
10:41 am EDT Jun 13, 2025
Forecast Valid:
12pm EDT Jun 13, 2025-6pm EDT Jun 19, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation