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.

Overcast

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 77°F (25°C)
Visibility 8.00 mi
Heat Index78°F (26°C)
Last update 26 Jul 3:15 am EDT
Extended Forecast for

Saint George SC

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. High near 89. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind.

    High: 93 °F

    Mostly Sunny

  • Monday Night

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

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms. High near 89. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind.
Monday
Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind.
Monday Night
Partly cloudy, with a low around 73. Calm wind.
Tuesday
Sunny, with a high near 98.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint George SC
 33.19°N 80.55°W (Elev. 98 ft)
Last Update:
2:35 am EDT Jul 26, 2026
Forecast Valid:
3am EDT Jul 26, 2026-6pm EDT Aug 1, 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