Arapahoe County, CO: Current UV Index and Hourly Forecast

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As of 9:40 AM MDT on June 13, 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 10.7 in Centennial between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Arapahoe County, CO

• Aetna Estates - 3.5
• Aurora - 3.5
• Bow Mar - 3.4
• Brick Center - 3.6
• Byers - 3.5
• Centennial - 3.6
• Cherry Creek - 3.6
• Cherry Hills Village - 3.4
• Columbine Valley - 3.5
• Comanche Creek - 3.6
• Deer Trail - 3.6
• Dove Valley - 3.6
• Englewood - 3.4
• Four Square Mile - 3.4
• Foxfield - 3.6
• Glendale - 3.4
• Greenwood Village - 3.5
• Holly Hills - 3.4
• Inverness - 3.6
• Littleton - 3.5
• Peoria - 3.5
• Sheridan - 3.4
• Strasburg - 3.5
• Watkins - 3.5