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.

Fog/Mist

55°F

13°C

Humidity NA
Wind Speed Calm
Barometer 29.96 in
Dewpoint N/A
Visibility 2.00 mi
Last update 27 Feb 1:35 am EST
Extended Forecast for

Union SC

  • Overnight

    Overnight: A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 52. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 40 percent chance of showers, mainly before 10am. Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 59. North northeast wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers and
    Dense Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 44. Calm wind.

    Low: 44 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

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

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 52. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers, mainly before 10am. Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 59. North northeast wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind.
Saturday Night
Clear, with a low around 44. Calm wind.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly cloudy, with a high near 56.
Monday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 74.
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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 27, 2026
Forecast Valid:
1am EST Feb 27, 2026-6pm EST Mar 5, 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