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

46°F

8°C

Humidity 39%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 13 Feb 7:15 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: Clear, with a low around 31. Calm wind.

    Low: 31 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 61. Calm wind becoming southwest around 5 mph.

    High: 61 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 44. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain, mainly after 7am. High near 53. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 1am. Low around 45. North northeast wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 31. Calm wind.
Saturday
Increasing clouds, with a high near 61. Calm wind becoming southwest around 5 mph.
Saturday Night
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 44. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly after 7am. High near 53. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain, mainly before 1am. Low around 45. North northeast wind 3 to 6 mph. Chance of precipitation is 90%.
Washington's Birthday
Partly sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
Last Update:
6:19 pm EST Feb 13, 2026
Forecast Valid:
7pm EST Feb 13, 2026-6pm EST Feb 20, 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