National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

63°F

17°C

Humidity 28%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Feb 9:15 pm EST
Extended Forecast for

Union SC

  • Tonight

    Tonight: A slight chance of showers before 10pm, then a chance of showers after 3am. Mostly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 64. Light and variable wind. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 44. Calm wind becoming west northwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 53. Northwest wind 8 to 14 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West northwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 10pm, then a chance of showers after 3am. Mostly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 64. Light and variable wind. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 44. Calm wind becoming west northwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 53. Northwest wind 8 to 14 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 28. West northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 44.
Monday Night
Clear, with a low around 23.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 47.
Thursday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
Last Update:
5:55 pm EST Feb 20, 2026
Forecast Valid:
9pm EST Feb 20, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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