Download the UV Index Today app - Get daily UV alerts

UV Index for Knoxville, TN

Current Knoxville UV Index

0 (Low)

Last Updated 21 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Knoxville UV Index

The hourly Knoxville, TN UV Index forecast for Tuesday, April 28th, 2026.

5 Day Hourly Knoxville UV Index Forecast

Last Updated 1 day ago