Arapahoe County, CO: Current UV Index and Hourly Forecast

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As of 3:50 PM MDT on October 11, 2026, all 24 cities in Arapahoe County, CO in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Centennial, CO with a reading of 3.6.

Over the next 24 hours, the highest UV Index reading in Arapahoe County, CO is expected to be 5.8 in Deer Trail between 1:00 PM - 2:00 PM MDT tomorrow.

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Current UV Index in Cities in Arapahoe County, CO

• Aetna Estates - 3.1
• Aurora - 3.1
• Bow Mar - 3.4
• Brick Center - 2.8
• Byers - 3.1
• Centennial - 3.6
• Cherry Creek - 3.6
• Cherry Hills Village - 3.4
• Columbine Valley - 3.1
• Comanche Creek - 2.7
• Deer Trail - 3.4
• Dove Valley - 3.6
• Englewood - 3.4
• Four Square Mile - 3.4
• Foxfield - 3.6
• Glendale - 3.4
• Greenwood Village - 3.1
• Holly Hills - 3.4
• Inverness - 3.6
• Littleton - 3.1
• Peoria - 3.1
• Sheridan - 3.4
• Strasburg - 3.1
• Watkins - 2.9