National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 15 Jun 7:15 am EDT
Extended Forecast for

Summerville SC

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South wind 5 to 8 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Southwest wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 74. South wind 5 to 7 mph.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South wind 5 to 8 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Southwest wind 6 to 8 mph. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 77.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 76.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summerville SC
 33.02°N 80.19°W (Elev. 75 ft)
Last Update:
6:48 am EDT Jun 15, 2025
Forecast Valid:
7am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
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