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.

Fair

91°F

33°C

Humidity 67%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 3 Jul 1:15 pm EDT
Extended Forecast for

2 Miles SW Summerville SC

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 91. Heat index values as high as 103. Light and variable wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    T-storms
    Likely

  • Tonight

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

    Low: 73 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 101. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. Northeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    T-storms
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 91. Heat index values as high as 103. Light and variable wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 73. Calm wind.
Independence Day
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 101. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 74. Northeast wind around 7 mph. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Summerville SC
 32.99°N 80.2°W (Elev. 30 ft)
Last Update:
9:25 am EDT Jul 3, 2025
Forecast Valid:
1pm EDT Jul 3, 2025-6pm EDT Jul 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation