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

60°F

16°C

Humidity 86%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Mar 10:55 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog between 8am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A 20 percent chance of rain after 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 80 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 3pm. Partly sunny, with a high near 80.

    High: 80 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain and thunderstorms between 1pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Partly Sunny
    then Rain
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. Calm wind.
Thursday
Patchy fog between 8am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.
Friday
A 20 percent chance of rain after 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Calm wind.
Saturday
A 30 percent chance of rain, mainly after 3pm. Partly sunny, with a high near 80.
Saturday Night
A 30 percent chance of rain before 1am. Partly cloudy, with a low around 61.
Sunday
A chance of rain and thunderstorms between 1pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 59.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 79.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Rain likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
Last Update:
6:49 pm EST Mar 4, 2026
Forecast Valid:
11pm EST Mar 4, 2026-6pm EDT Mar 11, 2026
 
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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