As of 1:35 PM EDT on May 3, 2026, out of 12 cities in Marquette County, MI in our database, 11 cities (92%) have a UV Index reading of Moderate, while 1 city (8%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Gwinn, MI with a reading of 4.5.
Over the next 24 hours, the highest UV Index reading in Marquette County, MI is expected to be 4.8 in Republic between 3:00 PM - 4:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |