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

86°F

30°C

Humidity 62%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 21 Jun 12:15 pm EDT
Extended Forecast for

2 Miles W Summerville SC

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

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

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 92.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. West wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.
Thursday
A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Summerville SC
 33°N 80.22°W (Elev. 59 ft)
Last Update:
8:32 am EDT Jun 21, 2026
Forecast Valid:
12pm EDT Jun 21, 2026-6pm EDT Jun 27, 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