With a population of around 10,600, Union City sits in Tennessee, United States. The city operates in the Central Time Zone.
Recent weather here gives a sense of typical conditions: in 2025, Union City recorded a mean annual temperature of 60°F, ranging from 6°F lows in February to 95°F highs in August, with about 59 inches of precipitation across the year.
View historical weather for Union City · More cities in Tennessee