Sanilac County, MI: Current UV Index and Hourly Forecast

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As of 8:03 AM EDT on July 20, 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 0.7.

Over the next 24 hours, the highest UV Index reading in Sanilac County, MI is expected to be 7.5 in Croswell between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Sanilac County, MI

• Applegate - 0.7
• Brown City - 0.6
• Carsonville - 0.7
• Croswell - 0.7
• Deckerville - 0.7
• Forestville - 0.7
• Lexington - 0.7
• Marlette - 0.6
• Melvin - 0.7
• Minden City - 0.7
• Peck - 0.7
• Port Sanilac - 0.7
• Sandusky - 0.7
• Snover - 0.6