As of 12:04 PM CDT on May 11, 2026, out of 501 cities in Tennessee in our database, 191 cities (38%) have a UV Index reading of High, 157 cities (31%) have a UV Index reading of Low, 144 cities (29%) have a UV Index reading of Moderate, while 9 cities (2%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Union City, TN with a reading of 7.6.
Over the next 24 hours, the highest UV Index reading in Tennessee is expected to be 8.2 in Ridgely between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |