Union, SC Weather

Updated: Sat Jul 19th 2025 1:30 PM EDT
Partly Cloudy

90°F 32°C

Feels Like 100°F / 38°C

Union, SC  weather condition is Partly Cloudy and 90°F.

Today's Weather in Union,SC

The current weather in Union SC as of 1:30 PM EDT on Sat Jul 19th 2025, has a sky condition of Partly Cloudy with the visibility of 9 mile(s) and the UV index at 10.7. It is 90 degrees fahrenheit but feels like 100 degrees. The barometric pressure is 30.1 - measured by inches of mercury - and is steady since its last observation. The humidity is 49 percent that's falling since the last report, with a dew point of 79 degrees fahrenheit which is rising. Wind direction is from the West-Southwest at 11.9 miles per hour, gusting at 13.6 miles per hour. Sunrise was at 6:27 AM and Sunset is at 8:38 PM. The moon phase is a Waning Crescent moon rising at 1:17 AM. Thank you for listening to the weather report from LocalConditions.com!

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  • Barometer 30.1 inHg. rising
  • Humidity 49% falling
  • Heat Index 103°F
  • Wind from WSW. 11.9 mph
  • Wind Gust 13.6 miles per hour
  • Wind Chill 91°F
  • UV Index 10.7
  • Dew Point 79°F rising
  • Visibility 9 mi.
  • Sunrise 6:27 AM
  • Sunset 8:38 PM
  • Moonrise 1:17 AM
  • Moonset 3:51 PM
  • Moon Phase Waning Crescent Moon

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Hourly Forecast - Next 8 hours

5 Day Forecast

Moderate Rain

Moderate Rain with a high of 97°F and a low of 76°F. Probable rainfall forecasted, having an 81% chance with an estimated 0.22in. Winds will be moderate, blowing around 12mph. The humidity will be on the higher side, reaching around 70%.

Temperature Humidity Rainfall Snow Wind
Hi 97° | Lo 76° 70% 81% | est. 0.22in 0% 11.2 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 99°F and a low of 77°F. Probable rainfall forecasted, having a 70% chance with an estimated 0.07in. Winds will be light at 6mph at times. The humidity will be on the higher side, reaching around 65%.

Temperature Humidity Rainfall Snow Wind
Hi 99° | Lo 77° 65% 70% | est. 0.07in 0% 5.8 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 97°F and a low of 76°F. Probable rainfall forecasted, having an 81% chance with an estimated 0.1in. Winds will be light at 9mph at times. The humidity will be on the higher side, reaching around 65%.

Temperature Humidity Rainfall Snow Wind
Hi 97° | Lo 76° 65% 81% | est. 0.1in 0% 8.7 mph

Partly Cloudy

Partly Cloudy with a high of 89°F and a low of 70°F. Winds will be light at 8mph at times. The humidity will be on the higher side, reaching around 64%.

Temperature Humidity Rainfall Snow Wind
Hi 89° | Lo 70° 64% 0% | est. 0in 0% 7.6 mph

Sunny

Sunny with a high of 93°F and a low of 68°F. Winds will be light at 7mph at times. The humidity will be on the higher side, reaching around 62%.

Temperature Humidity Rainfall Snow Wind
Hi 93° | Lo 68° 62% 0% 0% 6.7 mph

Weather Radar Map

Live Union, SC weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Wednesday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

 

The current temperature today is 90°F. The morning temperature of 77°F is lowest at 6am with the daytime high of 92°F at 12pm and a low around 80°F at 10pm is expected.

Hourly Barometric Pressure

 

The highest pressure today is 30.12inHg at 9am and lowest being 30.05inHg at 4am.

Hourly Wind Speeds

 

The fastest wind is reported to be 11.9mph at 1pm, while the slowest is 4mph around 12am; expect wind gusts peaking 14.9mph at 9pm.

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