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.

Light Rain Haze

86°F

30°C

Humidity 70%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 75°F (24°C)
Visibility 5.00 mi
Heat Index95°F (35°C)
Last update 9 Sep 3:15 pm EDT
Extended Forecast for

Summerville Airport SC

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. East wind around 7 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 92. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 74. Chance of precipitation is 80%.

    Low: 74 °F

    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. East wind around 7 mph.
Tonight
Partly cloudy, with a low around 73. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 74. Calm wind.
Friday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 92. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 74. Chance of precipitation is 80%.
Sunday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville Airport SC
 33.07°N 80.27°W (Elev. 23 ft)
Last Update:
2:30 pm EDT Sep 9, 2026
Forecast Valid:
3pm EDT Sep 9, 2026-6pm EDT Sep 16, 2026
 
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Additional Resources

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