Hazardous Weather Conditions
Current conditions at
Summerville Airport (KDYB)
Lat: 33.06°NLon: 80.28°WElev: 56ft.
Fair
91°F
33°C
| Humidity | 63% |
| Wind Speed | Calm |
| Barometer | 30.09 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 14 Aug 12:35 pm EDT |
Extended Forecast for
2 Miles WNW Summerville SC
Heat Advisory August 15, 11:00am until August 15, 08:00pm
Heat Advisory August 14, 12:50pm until August 14, 08:00pm
NOW until 8:00pm Fri

Heat Advisory
This Afternoon

High: 97 °F
Slight Chance
T-stormsTonight
Low: 77 °F
Slight Chance
T-storms then
Partly CloudySaturday
High: 99 °F
Sunny then
Slight Chance
T-stormsSaturday Night
Low: 77 °F
Chance
T-storms then
Chance
ShowersSunday
High: 97 °F
Mostly Sunny
then Chance
T-stormsSunday Night
Low: 78 °F
Chance
T-storms then
Mostly ClearMonday

High: 101 °F
Hot
Monday Night

Low: 80 °F
Mostly Clear
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97. Heat index values as high as 110. West wind around 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 99. Heat index values as high as 111. West wind 3 to 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97. Light southwest wind.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.
Monday
Sunny and hot, with a high near 101.
Monday Night
Mostly clear, with a low around 80.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 101.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Summerville SC
33.02°N 80.19°W (Elev. 75 ft)
33.02°N 80.19°W (Elev. 75 ft)
8:30 am EDT Aug 14, 2026
12pm EDT Aug 14, 2026-6pm EDT Aug 20, 2026



