National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

63°F

17°C

Humidity 28%
Wind Speed NW 7 mph
Barometer 30.11 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Apr 5:55 pm EDT
Extended Forecast for

Union SC

  • Tonight

    Tonight: Mostly clear, with a low around 42. North wind 5 to 8 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. North wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 42. North wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 73. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Clear, with a low around 42. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 72. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
Last Update:
2:49 pm EDT Apr 19, 2026
Forecast Valid:
5pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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