Hazardous Weather Conditions
Current conditions at
Summerville Airport (KDYB)
Lat: 33.06°NLon: 80.28°WElev: 56ft.
Fair
79°F
26°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.00 in |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 29 Jul 7:55 am EDT |
Extended Forecast for
4 Miles WSW Harleyville SC
Heat Advisory July 29, 11:00am until July 29, 08:00pm
Today
High: 96 °F
Mostly Sunny
then T-storms
LikelyTonight
Low: 76 °F
T-storms
Likely then
Chance
T-stormsWednesday
High: 95 °F
Chance
T-storms then
T-storms
LikelyWednesday Night
Low: 76 °F
T-storms
Likely then
Chance
ShowersThursday
High: 97 °F
Chance
T-stormsThursday Night
Low: 77 °F
Chance
T-storms then
Chance
ShowersFriday
High: 95 °F
Mostly Sunny
then T-storms
LikelyFriday Night
Low: 74 °F
T-storms
Likely then
Showers
LikelySaturday
High: 84 °F
Chance
T-storms then
T-storms
Detailed Forecast
Today
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 96. Heat index values as high as 109. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 95. Heat index values as high as 109. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Friday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 70. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Harleyville SC
33.2°N 80.5°W (Elev. 79 ft)
33.2°N 80.5°W (Elev. 79 ft)
6:38 am EDT Jul 29, 2025
8am EDT Jul 29, 2025-6pm EDT Aug 4, 2025
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