Loudon is a city of approximately 5,700 people in Tennessee, United States. Located in the Eastern Time Zone at 35.7°N latitude.
In 2025, Loudon averaged an annual temperature of 60°F, with hottest temperatures reaching 93°F in June and lowest around 11°F in January. The city received approximately 54 inches of precipitation during the year.
View historical weather for Loudon · More cities in Tennessee