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

88°F

31°C

Humidity 66%
Wind Speed S 10 G 21 mph
Barometer 29.78 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 2 Aug 4:55 pm EDT
Extended Forecast for

4 Miles ESE Saint George SC

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Mostly cloudy, with a high near 90. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am, then a slight chance of thunderstorms after 4am. Low around 72. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms then
    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 91. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a high near 90. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 2am, then a slight chance of thunderstorms after 4am. Low around 72. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 40%.
Tuesday
A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 91. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Saint George SC
 33.16°N 80.53°W (Elev. 85 ft)
Last Update:
3:21 pm EDT Aug 2, 2026
Forecast Valid:
5pm EDT Aug 2, 2026-6pm EDT Aug 9, 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