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

50°F

10°C

Humidity 70%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 16 Feb 8:15 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 47. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 47 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, with a high near 67. Southwest wind 7 to 13 mph, with gusts as high as 25 mph.

    High: 67 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 56. Southwest wind around 6 mph.

    Low: 56 °F

    Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain after 3am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 47. Calm wind becoming south southwest around 6 mph after midnight.
Wednesday
Cloudy, with a high near 67. Southwest wind 7 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
Cloudy, with a low around 56. Southwest wind around 6 mph.
Thursday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 72.
Thursday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 59.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of rain after 3am. Partly cloudy, with a low around 54.
Saturday
A 50 percent chance of rain. Partly sunny, with a high near 68.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 50.
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:
7:03 pm EST Feb 16, 2026
Forecast Valid:
8pm EST Feb 16, 2026-6pm EST Feb 23, 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