Download the UV Index Today app - Get daily UV alerts

UV Index for Winter, WI

Current Winter UV Index

0 (Low)

Last Updated 25 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Winter UV Index

The hourly Winter, WI UV Index forecast for Thursday, August 13th, 2026.

5 Day Hourly Winter UV Index Forecast

Last Updated 1 day ago