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

Hazardous Weather Conditions

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

39°F

4°C

Humidity 29%
Wind Speed Calm
Barometer 30.46 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 20 Jan 6:35 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: Clear, with a low around 22. Calm wind.

    Low: 22 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 9am. Partly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly before 11am. Cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain after midnight, mixing with snow after 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Snow likely before 8am, then snow, freezing rain, and sleet between 8am and 4pm, then freezing rain and sleet after 4pm. High near 32. Chance of precipitation is 90%.

    High: 32 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Freezing rain and sleet. The sleet could be heavy at times. Low around 19. Chance of precipitation is 100%.

    Low: 19 °F

    Wintry Mix

Detailed Forecast

Tonight
Clear, with a low around 22. Calm wind.
Wednesday
Mostly sunny, with a high near 50. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 34. Calm wind.
Thursday
A 20 percent chance of rain after 9am. Partly sunny, with a high near 56. Calm wind.
Thursday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41. Calm wind.
Friday
Rain likely, mainly before 11am. Cloudy, with a high near 51. Chance of precipitation is 60%.
Friday Night
A chance of rain after midnight, mixing with snow after 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Saturday
Snow likely before 8am, then snow, freezing rain, and sleet between 8am and 4pm, then freezing rain and sleet after 4pm. High near 32. Chance of precipitation is 90%.
Saturday Night
Freezing rain and sleet. The sleet could be heavy at times. Low around 19. Chance of precipitation is 100%.
Sunday
Freezing rain and sleet likely, becoming all freezing rain after 9am. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Sunday Night
A chance of freezing rain. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Sunny, with a high near 36.
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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:
6:04 pm EST Jan 20, 2026
Forecast Valid:
7pm EST Jan 20, 2026-6pm EST Jan 27, 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