Ontonagon County, MI: Current UV Index and Hourly Forecast

As of 6:50 PM EDT on October 8, 2025, all 9 cities in Ontonagon County, MI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Ontonagon, MI with a reading of 0.5.

Over the next 24 hours, the highest UV Index reading in Ontonagon County, MI is expected to be 3.5 in Bruce Crossing between 2:00 PM - 3:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Ontonagon County, MI as of 6:50 PM EDT, October 8, 2025

Current UV Index in Cities in Ontonagon County, MI

6:50 PM EDT, October 8, 2025