Download the UV Index Today app - Get daily UV alerts

UV Index for Knox, WI

Current Knox UV Index

0 (Low)

Last Updated 12 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Knox UV Index

The hourly Knox, WI UV Index forecast for Tuesday, April 7th, 2026.

5 Day Hourly Knox UV Index Forecast

Last Updated 23 hours ago