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

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

36°F

2°C

Humidity 49%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 2 Feb 6:55 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 48. Calm wind becoming southwest around 5 mph.

    High: 48 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain, mainly after 9pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 38. Calm wind becoming south southwest around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly between 9am and 11am. Cloudy, with a high near 48. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain, possibly mixing with snow after 2am, then gradually ending. Mostly cloudy, with a low around 30. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 19. Calm wind.
Tuesday
Increasing clouds, with a high near 48. Calm wind becoming southwest around 5 mph.
Tuesday Night
A 50 percent chance of rain, mainly after 9pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 38. Calm wind becoming south southwest around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly between 9am and 11am. Cloudy, with a high near 48. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain, possibly mixing with snow after 2am, then gradually ending. Mostly cloudy, with a low around 30. North wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 29.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
Last Update:
6:47 pm EST Feb 2, 2026
Forecast Valid:
7pm EST Feb 2, 2026-6pm EST Feb 9, 2026
 
Forecast Discussion
 
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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