As of 10:01 PM EDT on September 2, 2025, all 14 cities in Sanilac County, MI in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Sanilac County, MI is expected to be 6.1 in Marlette between 1:00 PM - 2:00 PM EDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |