Current conditions at
Summerville Airport (KDYB)
Lat: 33.06°NLon: 80.28°WElev: 56ft.
Fair
70°F
21°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 30.11 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 24 May 2:55 am EDT |
Extended Forecast for
4 Miles SSW Harleyville SC
Overnight

Low: 68 °F
Chance
ShowersSunday
High: 87 °F
Chance
T-storms then
T-stormsSunday Night
Low: 69 °F
Chance
T-storms then
Chance
ShowersMemorial Day

High: 87 °F
Showers
LikelyMonday Night
Low: 70 °F
Slight Chance
T-storms then
Slight Chance
ShowersTuesday

High: 88 °F
Showers
Tuesday Night
Low: 70 °F
Showers then
Chance
ShowersWednesday

High: 90 °F
Showers
Wednesday Night
Low: 69 °F
Showers then
Slight Chance
T-storms
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind.
Sunday
Showers and thunderstorms, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 87. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Memorial Day
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 87. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers and thunderstorms between 8pm and 11pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 88. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 70. Chance of precipitation is 80%.
Wednesday
A slight chance of showers, then showers and possibly a thunderstorm after 8am. High near 90. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Harleyville SC
33.16°N 80.47°W (Elev. 85 ft)
33.16°N 80.47°W (Elev. 85 ft)
2:36 am EDT May 24, 2026
3am EDT May 24, 2026-6pm EDT May 30, 2026


