Home / Local Weather & Traffic / Tennessee / Union County / Current Weather

Union County, TN Weather Conditions

Updated: Sun Mar 15th 2026 8:00 PM EDT

Partly Cloudy

69^°F 21^°C

Feels Like 69^°F / 21^°C

Union County, TN weather condition is Partly Cloudy and 69°F.

Today's Weather in Union County,TN

The current weather in Union County TN as of 8:00 PM EDT on Sun Mar 15th 2026, has a sky condition of Partly Cloudy with the visibility of 9 mile(s). It is 69 degrees fahrenheit. The barometric pressure is 29.75 - measured by inches of mercury - and is rising since its last observation. The humidity is 56 percent that's falling since the last report, with a dew point of 52 degrees fahrenheit which is falling. Wind direction is from the South at 9.8 miles per hour, gusting at 17.8 miles per hour. Sunrise was at 7:46 AM and Sunset was at 7:43 PM. The moon phase is a Waning Crescent moon rising at 5:59 AM. Thank you for listening to the weather report from LocalConditions.com!

Listen to this weather report - press Read

Sun & Moon

Sun

Sunrise: 7:46 AM

Sunset: 7:43 PM

As of:

Moon

Moonrise: 5:59 AM

Moonset: 4:18 PM

Phase: Waning Crescent Moon

Ask About Weather

Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!

Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Heavy Rain

Heavy Rain with a high of 44°F and a low of 25°F. Probable rainfall forecasted, having an 88% chance with an estimated 1.62in. Possible light Snowfall with a 6% chance estimated at 1.5in accumulation. Winds will be moderate, blowing around 20mph. Expect high humidity with levels above 80% to 81%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 44° \| Lo 25°	81%	88% \| est. 1.62in	6% \| est. 1.5in	19.5 mph

Partly Cloudy

Partly Cloudy with a high of 41°F and a low of 24°F. Winds will be moderate, blowing around 13mph. Humidity levels are comfortable, sitting around 52%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 41° \| Lo 24°	52%	0%	0%	12.3 mph

Overcast

Overcast with a high of 49°F and a low of 28°F. Winds will be light at 10mph at times. Humidity levels are comfortable, sitting around 49%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 49° \| Lo 28°	49%	0%	0%	9.2 mph

Overcast

Overcast with a high of 60°F and a low of 37°F. Winds will be light at 8mph at times. The humidity will be on the higher side, reaching around 75%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 60° \| Lo 37°	75%	0% \| est. 0in	0%	7.8 mph

Mist

Mist with a high of 67°F and a low of 42°F. Winds will be light at 10mph at times. Expect high humidity with levels above 80% to 87%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 67° \| Lo 42°	87%	0% \| est. 0in	0%	9.4 mph

Yesterday 5-Day Wind

Weather Radar Map

Live Union County, TN weather with minute-by-minute precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Thursday, 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 69^°F. The morning temperature of 47°^F is lowest at 6am with the daytime high of 72°^F at 3pm and a low around 62°^F at 9pm is expected.

Hourly Barometric Pressure

The highest pressure today is 30.04^inHg at 12am and lowest being 29.63^inHg at 11pm.

Hourly Wind Speeds

The fastest wind is reported to be 14.1^mph at 3pm, while the slowest is 2.5^mph around 12am; expect wind gusts peaking 21.4^mph at 10pm. View live wind conditions in Union County

More Weather Charts