Salt Lake County, UT: Current UV Index and Hourly Forecast

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As of 3:08 PM MDT on May 20, 2026, all 24 cities in Salt Lake County, UT in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Sandy, UT with a reading of 7.3.

Over the next 24 hours, the highest UV Index reading in Salt Lake County, UT is expected to be 8.3 in Alta between 2:00 PM - 3:00 PM MDT tomorrow.

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Current UV Index in Cities in Salt Lake County, UT

• Alta - 6.5
• Bluffdale - 6.7
• Brighton - 6.5
• Copperton - 6.7
• Cottonwood Heights - 7.3
• Draper - 7.3
• Emigration Canyon - 7.2
• Granite - 7.3
• Herriman - 6.7
• Holladay - 7.2
• Kearns - 6.6
• Magna - 6.5
• Midvale - 6.7
• Millcreek - 7.2
• Murray - 6.6
• Riverton - 6.7
• Salt Lake City - 6.6
• Sandy - 7.3
• South Jordan - 6.7
• South Salt Lake - 6.6
• Taylorsville - 6.6
• West Jordan - 6.7
• West Valley City - 6.6
• White City - 7.3