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

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As of 10:09 AM MDT on April 29, 2026, all 24 cities in Salt Lake County, UT in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Sandy, UT with a reading of 3.3.

Over the next 24 hours, the highest UV Index reading in Salt Lake County, UT is expected to be 7.7 in Millcreek between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Salt Lake County, UT

• Alta - 3.3
• Bluffdale - 3.1
• Brighton - 3.3
• Copperton - 3.1
• Cottonwood Heights - 3.3
• Draper - 3.3
• Emigration Canyon - 3.2
• Granite - 3.3
• Herriman - 3.1
• Holladay - 3.2
• Kearns - 3.1
• Magna - 3
• Midvale - 3.1
• Millcreek - 3.2
• Murray - 3.1
• Riverton - 3.1
• Salt Lake City - 3.1
• Sandy - 3.3
• South Jordan - 3.1
• South Salt Lake - 3.1
• Taylorsville - 3.1
• West Jordan - 3.1
• West Valley City - 3.1
• White City - 3.3