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Union, SC Weather Conditions

Updated: Thu Jun 18th 2026 12:30 AM EDT

Partly Cloudy

74^°F 23^°C

Feels Like 77^°F / 25^°C

Union, SC weather condition is Partly Cloudy and 74°F.

Today's Weather in Union,SC

The current weather in Union SC as of 12:30 AM EDT on Thu Jun 18th 2026, has a sky condition of Partly Cloudy with the visibility of 9 mile(s). It is 74 degrees fahrenheit but feels like 77 degrees. The barometric pressure is 29.9 - measured by inches of mercury - and is steady since its last observation. The humidity is 78 percent that's steady since the last report, with a dew point of 68 degrees fahrenheit which is steady. Wind direction is from the Southwest at 9.8 miles per hour, gusting at 16.5 miles per hour. Sunrise is at 6:13 AM and Sunset is at 8:42 PM. The moon phase is a Waxing Crescent moon rising at 9:44 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 6:13 AM

Sunset: 8:42 PM

As of:

Moon

Moonrise: 9:44 AM

Moonset: 11:53 PM

Phase: Waxing Crescent Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Moderate Rain

Moderate Rain with a high of 92°F and a low of 70°F. Probable rainfall forecasted, having a 70% chance with an estimated 0.23in. Winds will be moderate, blowing around 16mph. The humidity will be on the higher side, reaching around 76%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 92° \| Lo 70°	76%	70% \| est. 0.23in	0%	15.4 mph

Heavy Rain

Heavy Rain with a high of 90°F and a low of 69°F. Probable rainfall forecasted, having a 77% chance with an estimated 0.91in. Winds will be light at 9mph at times. The humidity will be on the higher side, reaching around 73%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 90° \| Lo 69°	73%	77% \| est. 0.91in	0%	8.1 mph

Sunny

Sunny with a high of 90°F and a low of 64°F. 3%% possible chance of rain predicted. Winds will be light at 6mph at times. Humidity levels are comfortable, sitting around 52%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 90° \| Lo 64°	52%	3%	0%	6 mph

Scattered Rain

Scattered Rain with a high of 93°F and a low of 67°F. Probable rainfall forecasted, having a 57% chance with an estimated 0.06in. Winds will be moderate, blowing around 11mph. The humidity will be on the higher side, reaching around 61%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 93° \| Lo 67°	61%	57% \| est. 0.06in	0%	10.7 mph

Scattered Rain

Scattered Rain with a high of 90°F and a low of 70°F. Probable rainfall forecasted, having a 57% chance with an estimated 0.05in. Winds will be moderate, blowing around 15mph. The humidity will be on the higher side, reaching around 78%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 90° \| Lo 70°	78%	57% \| est. 0.05in	0%	15 mph

Yesterday 5-Day Wind

Weather Radar Map

Hourly Temperature

The current temperature today is 74^°F. The morning temperature of 73°^F is lowest at 4am with the daytime high of 90°^F at 2pm and a low around 70°^F at 11pm is expected.

Hourly Barometric Pressure

The highest pressure today is 29.94^inHg at 9am and lowest being 29.83^inHg at 2am.

Hourly Wind Speeds

The fastest wind is reported to be 15.4^mph at 3pm, while the slowest is 5.6^mph around 10pm; expect wind gusts peaking 17.8^mph at 3pm. View live wind conditions in Union

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