Download the UV Index Today app - Get daily UV alerts

UV Index for East Troy, WI

Current East Troy UV Index

0 (Low)

Last Updated 50 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly East Troy UV Index

The hourly East Troy, WI UV Index forecast for Wednesday, March 18th, 2026.

5 Day Hourly East Troy UV Index Forecast

Last Updated 1 day ago