As of 5:04 PM EDT on August 29, 2026, out of 14 cities in Sanilac County, MI in our database, 13 cities (93%) have a UV Index reading of Low, while 1 city (7%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Port Sanilac, MI with a reading of 2.5.
Over the next 24 hours, the highest UV Index reading in Sanilac County, MI is expected to be 3.1 in Peck between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |