Download the UV Index Today app - Get daily UV alerts

UV Index for Bay City, MI

Current Bay City UV Index

0 (Low)

Last Updated 1 minute ago

Download the UV Index Today app - Get daily UV alerts

Hourly Bay City UV Index

The hourly Bay City, MI UV Index forecast for Sunday, May 17th, 2026.

5 Day Hourly Bay City UV Index Forecast

Last Updated 23 hours ago