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

76°F

24°C

Humidity 26%
Wind Speed S 7 mph
Barometer 30.16 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 1 Mar 4:35 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind becoming northeast 5 to 7 mph after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain between 9am and 10am. Cloudy, with a high near 51. Northeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain then
    Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly between midnight and 5am. Cloudy, with a low around 42. Northeast wind 5 to 7 mph.

    Low: 42 °F

    Cloudy then
    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 61. Light and variable wind.

    High: 61 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Calm wind becoming northeast 5 to 7 mph after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of rain between 9am and 10am. Cloudy, with a high near 51. Northeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of rain, mainly between midnight and 5am. Cloudy, with a low around 42. Northeast wind 5 to 7 mph.
Tuesday
Mostly cloudy, with a high near 61. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 47. Calm wind.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 60.
Friday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
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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:
12:18 pm EST Mar 1, 2026
Forecast Valid:
4pm EST Mar 1, 2026-6pm EDT Mar 8, 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