As of 8:07 PM EDT on June 9, 2026, all 14 cities in Sanilac County, MI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Sandusky, MI with a reading of 0.3.
Over the next 24 hours, the highest UV Index reading in Sanilac County, MI is expected to be 9.5 in Croswell between 2:00 PM - 3:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |