Download the UV Index Today app - Get daily UV alerts

UV Index for Alton, MN

Current Alton UV Index

0 (Low)

Last Updated 27 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Alton UV Index

The hourly Alton, MN UV Index forecast for Tuesday, September 1st, 2026.

5 Day Hourly Alton UV Index Forecast

Last Updated 1 day ago