Summit County, UT: Current UV Index and Hourly Forecast

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As of 12:18 AM MDT on May 16, 2025, all 17 cities in Summit County, UT 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 Summit County, UT is expected to be 8.3 in Francis between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Summit County, UT

• Coalville - 0
• East Basin - 0
• Echo - 0
• Francis - 0
• Henefer - 0
• Hoytsville - 0
• Kamas - 0
• Marion - 0
• Oakley - 0
• Park City - 0
• Peoa - 0
• Samak - 0
• Silver Summit - 0
• Snyderville - 0
• Summit Park - 0
• Wanship - 0
• Woodland - 0