Ontonagon County, MI: Current UV Index and Hourly Forecast

As of 4:21 PM EDT on April 26, 2025, all 9 cities in Ontonagon County, MI in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Lake Gogebic, MI with a reading of 4.5.

Over the next 24 hours, the highest UV Index reading in Ontonagon County, MI is expected to be 4.9 in Mass City between 1:00 PM - 2:00 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 4:21 PM EDT, April 26, 2025

Current UV Index in Cities in Ontonagon County, MI

4:21 PM EDT, April 26, 2025