News Headlines
- Calling All Meteorology Students! Apply for the NWS Charleston 2026 Summer Volunteer Program
- NWS Charleston To Implement Minor Public, Fire Weather and Marine Zone Changes on March 3
- Mariners: NWS Charleston Is Expanding Marine Forecasts Out To 60 NM in South Carolina March 3
- 2026 Storm Spotter Training Schedule
Current conditions at
Summerville Airport (KDYB)
Lat: 33.06°NLon: 80.28°WElev: 56ft.
Mostly Cloudy
45°F
7°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.22 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 22 Jan 5:55 am EST |
Extended Forecast for
4 Miles WNW Harleyville SC
Today
High: 66 °F
Gradual
ClearingTonight
Low: 42 °F
Partly Cloudy
Friday
High: 62 °F
Chance
ShowersFriday Night
Low: 37 °F
Chance
ShowersSaturday
High: 44 °F
Chance Rain
Saturday Night
Low: 29 °F
Rain/Freezing
Rain LikelySunday
High: 48 °F
Showers
Sunday Night
Low: 33 °F
Showers
Monday
High: 44 °F
Slight Chance
Rain/Snow
Detailed Forecast
Today
Cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind.
Tonight
Partly cloudy, with a low around 42. Calm wind.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 37. Northeast wind 3 to 8 mph. Winds could gust as high as 20 mph.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 44. Northeast wind around 10 mph, with gusts as high as 23 mph.
Saturday Night
A chance of rain before 10pm, then freezing rain likely between 10pm and 4am, then rain or freezing rain likely after 4am. Cloudy, with a low around 29. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely before 1pm, then showers after 1pm. High near 48. Chance of precipitation is 80%.
Sunday Night
Showers before 1am, then rain likely after 1am. Low around 33. Chance of precipitation is 80%.
Monday
A slight chance of rain and snow before 1pm. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 50.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Harleyville SC
33.23°N 80.52°W (Elev. 89 ft)
33.23°N 80.52°W (Elev. 89 ft)
1:33 am EST Jan 22, 2026
6am EST Jan 22, 2026-6pm EST Jan 28, 2026
Additional Resources
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