Utah (UT): Current UV Index and Hourly Forecast

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As of 9:39 AM MDT on September 15, 2025, all 331 cities in Utah in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Monticello, UT with a reading of 1.2.

Over the next 24 hours, the highest UV Index reading in Utah is expected to be 8.6 in Parowan between 2:00 PM - 3:00 PM MDT today.

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Counties in Utah (UT)

• Beaver County
• Box Elder County
• Cache County
• Carbon County
• Daggett County
• Davis County
• Duchesne County
• Emery County
• Garfield County
• Grand County
• Iron County
• Juab County
• Kane County
• Millard County
• Morgan County
• Piute County
• Rich County
• Salt Lake County
• San Juan County
• Sanpete County
• Sevier County
• Summit County
• Tooele County
• Uintah County
• Utah County
• Wasatch County
• Washington County
• Wayne County
• Weber County

Current UV Index in Major Cities in Utah (UT)

• American Fork - 0.9
• Bountiful - 0.8
• Cedar City - 0.9
• Clearfield - 0.7
• Cottonwood Heights - 0.9
• Draper - 0.9
• Eagle Mountain - 0.8
• Herriman - 0.8
• Holladay - 0.8
• Kaysville - 0.7
• Kearns - 0.8
• Layton - 0.7
• Lehi - 0.9
• Logan - 0.8
• Magna - 0.8
• Midvale - 0.8
• Millcreek - 0.8
• Murray - 0.8
• Ogden - 0.8
• Orem - 0.9
• Pleasant Grove - 0.9
• Provo - 0.9
• Riverton - 0.8
• Roy - 0.8
• Salt Lake City - 0.8
• Sandy - 0.9
• Saratoga Springs - 0.8
• South Jordan - 0.8
• Spanish Fork - 0.9
• Springville - 0.9
• St. George - 0.8
• Syracuse - 0.7
• Taylorsville - 0.8
• Tooele - 0.8
• West Jordan - 0.8
• West Valley City - 0.8