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

53°F

12°C

Humidity 92%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 28 Feb 7:15 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, increasing clouds, with a high near 76. Calm wind becoming southwest around 5 mph.

    High: 76 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53. East northeast wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 2am. Cloudy, with a low around 40. East northeast wind 3 to 5 mph.

    Low: 40 °F

    Cloudy then
    Slight Chance
    Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 43. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, increasing clouds, with a high near 76. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 45. Calm wind becoming northeast 5 to 7 mph after midnight.
Monday
Mostly cloudy, with a high near 53. East northeast wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
A 20 percent chance of rain after 2am. Cloudy, with a low around 40. East northeast wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly cloudy, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly cloudy, with a high near 75.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 78.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
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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:
5:44 pm EST Feb 28, 2026
Forecast Valid:
7pm EST Feb 28, 2026-6pm EST Mar 7, 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