How is the weather in Union, SC?

At 1:35 PM on Sat, Sep 20, 2025 it is sunny and 87 degrees Fahrenheit, feeling like 88 degrees.

Union, SC Weather Forecast and Current Conditions (29379)

87°F
Feels Like 88°F

Humidity 45% Dew Point 63°F Wind NNE 6 MPH Barometer 30.14 in.765.6 mm

Solar Rad 792 w/m2 Visibility 10 mi.

Report from 2.3 miles SSW of central Union at 1:35 PM Sat, Sep 20, 2025

Current Weather

87°F
Feels Like 88°F

Humidity 45% Dew Point 63°F Wind NNE 6 MPH Barometer 30.14 in.765.6 mm

Solar Rad 792 w/m2 Visibility 10 mi.

Report from 2.3 miles SSW of central Union at 1:35 PM Sat, Sep 20, 2025

Forecast at a Glance

SatSep 20

20%

87°

63°

SunSep 21

83°

62°

MonSep 22

84°

61°

TueSep 23

87°

64°

WedSep 24

10%

88°

67°

ThuSep 25

50%

81°

65°

FriSep 26

50%

77°

62°

This Date in Weather History

1909 - A large and deadly Category 3 hurricane made landfall near Grand Isle, Louisiana during the late evening hours. The states of Louisiana and Mississippi showed catastrophic damage resulting in 371 deaths and $265 million in damage

Union 7 Day Weather Forecast Details

Saturday Sep 20

Day: A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. East northeast wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Night: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Northeast wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Sunday Sep 21

Day: Mostly sunny, with a high near 83. East northeast wind around 5 mph.

Night: Partly cloudy, with a low around 62. East wind around 2 mph.

Monday Sep 22

Day: Mostly sunny, with a high near 84. East northeast wind around 2 mph.

Night: Mostly clear, with a low around 61.

Tuesday Sep 23

Day: Sunny, with a high near 87.

Night: Mostly clear, with a low around 64.

Wednesday Sep 24

Day: Mostly sunny, with a high near 88.

Night: A slight chance of showers and thunderstorms between 9pm and 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Thursday Sep 25

Day: A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Friday Sep 26

Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

Sun & Moon Monthly

First Light 6:49 AM

Sunrise 7:14 AM

Sunset 7:27 PM

Last Light 7:53 PM

Moonrise 6:05 AM

Moonset 7:01 PM

Moon Phase

Stadium Weather - Be Prepared for the Game

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