Jefferson County, CO: Current UV Index and Hourly Forecast

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As of 10:36 AM MDT on November 1, 2025, 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 Brook Forest, CO with a reading of 1.4.

Over the next 24 hours, the highest UV Index reading in Jefferson County, CO is expected to be 4.4 in Brook Forest between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Jefferson County, CO

• Applewood - 1.3
• Arvada - 1.3
• Aspen Park - 1.3
• Brook Forest - 1.4
• Coal Creek - 1.3
• Columbine - 1.3
• Dakota Ridge - 1.3
• East Pleasant View - 1.3
• Edgewater - 1.2
• Evergreen - 1.3
• Fairmount - 1.3
• Genesee - 1.3
• Golden - 1.3
• Idledale - 1.3
• Indian Hills - 1.3
• Ken Caryl - 1.3
• Kittredge - 1.3
• Lakeside - 1.2
• Lakewood - 1.2
• Morrison - 1.3
• Mountain View - 1.2
• West Pleasant View - 1.3
• Wheat Ridge - 1.2