Download the UV Index Today app - Get daily UV alerts

UV Index for Merton, WI

Current Merton UV Index

0 (Low)

Last Updated 7 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Merton UV Index

The hourly Merton, WI UV Index forecast for Saturday, July 18th, 2026.

5 Day Hourly Merton UV Index Forecast

Last Updated 2 days ago