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

52°F

11°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.08 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 Feb 4:55 am EST
Extended Forecast for

Union SC

  • Today

    Today: Cloudy, with a high near 68. Southwest wind 6 to 14 mph, with gusts as high as 25 mph.

    High: 68 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 74 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, mainly before 1pm. Partly sunny, with a high near 78. West southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 78 °F

    Rain Likely

  • Friday Night

    Friday Night: A slight chance of rain between midnight and 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly between 1am and 5am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain before 9am. Mostly sunny, with a high near 56.

    High: 56 °F

    Chance Rain
    then Sunny

Detailed Forecast

Today
Cloudy, with a high near 68. Southwest wind 6 to 14 mph, with gusts as high as 25 mph.
Tonight
Cloudy, with a low around 56. Southwest wind 3 to 6 mph.
Thursday
A 30 percent chance of rain, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 62. South southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Friday
Rain likely, mainly before 1pm. Partly sunny, with a high near 78. West southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of rain between midnight and 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
Rain likely, mainly between 1am and 5am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain before 9am. Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 52.
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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:
12:19 am EST Feb 18, 2026
Forecast Valid:
4am EST Feb 18, 2026-6pm EST Feb 24, 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