Jefferson County, CO: Current UV Index and Hourly Forecast

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As of 6:37 PM MDT on June 12, 2026, all 23 cities in Jefferson County, CO in our database 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 1.8.

Over the next 24 hours, the highest UV Index reading in Jefferson County, CO is expected to be 11.5 in Brook Forest between 1:00 PM - 2:00 PM MDT tomorrow.

Search Cities in Jefferson County, CO

Current UV Index in Cities in Jefferson County, CO

• Applewood - 1.7
• Arvada - 1.7
• Aspen Park - 1.6
• Brook Forest - 1.7
• Coal Creek - 1.8
• Columbine - 1.4
• Dakota Ridge - 1.6
• East Pleasant View - 1.7
• Edgewater - 1.5
• Evergreen - 1.7
• Fairmount - 1.7
• Genesee - 1.7
• Golden - 1.7
• Idledale - 1.7
• Indian Hills - 1.7
• Ken Caryl - 1.4
• Kittredge - 1.7
• Lakeside - 1.5
• Lakewood - 1.5
• Morrison - 1.7
• Mountain View - 1.5
• West Pleasant View - 1.7
• Wheat Ridge - 1.5