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.

Thunderstorm in Vicinity

88°F

31°C

Humidity 75%
Wind Speed S 8 G 17 mph
Barometer 30.05 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 15 Jun 3:15 pm EDT
Extended Forecast for

3 Miles WNW Summerville SC

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 9 mph.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. South wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming southwest 5 to 8 mph in the morning. 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

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Southwest wind around 6 mph. 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

    T-storms
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Southwest wind 6 to 9 mph.

    High: 92 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.

    Low: 75 °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 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 9 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. South wind around 6 mph becoming calm in the evening.
Monday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Southwest wind 6 to 9 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 75.
Juneteenth
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A chance of thunderstorms. Mostly clear, with a low around 74. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Summerville SC
 33.02°N 80.22°W (Elev. 66 ft)
Last Update:
2:03 pm EDT Jun 15, 2025
Forecast Valid:
3pm EDT Jun 15, 2025-6pm EDT Jun 22, 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