As of 12:02 PM CDT on October 31, 2025, out of 501 cities in Tennessee in our database, 500 cities (100%) have a UV Index reading of Moderate, while 1 city (0%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Copperhill, TN with a reading of 4.2.
Over the next 24 hours, the highest UV Index reading in Tennessee is expected to be 4.3 in Copperhill between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |