Jefferson County, CO: Current UV Index and Hourly Forecast

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As of 5:19 PM MDT on August 16, 2026, out of 23 cities in Jefferson County, CO in our database, 15 cities (65%) have a UV Index reading of Moderate, while 8 cities (35%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Coal Creek, CO with a reading of 2.8.

Over the next 24 hours, the highest UV Index reading in Jefferson County, CO is expected to be 10.6 in Brook Forest between 1:00 PM - 2:00 PM MDT tomorrow.

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Current UV Index in Cities in Jefferson County, CO

• Applewood - 2.5
• Arvada - 2.5
• Aspen Park - 2.7
• Brook Forest - 1.9
• Coal Creek - 2.8
• Columbine - 1.2
• Dakota Ridge - 2.7
• East Pleasant View - 2.5
• Edgewater - 1.1
• Evergreen - 2.5
• Fairmount - 2.5
• Genesee - 2.5
• Golden - 2.5
• Idledale - 2.5
• Indian Hills - 2.5
• Ken Caryl - 1.2
• Kittredge - 2.5
• Lakeside - 1.1
• Lakewood - 1.1
• Morrison - 2.5
• Mountain View - 1.1
• West Pleasant View - 2.5
• Wheat Ridge - 1.1