Arapahoe County, CO: Current UV Index and Hourly Forecast

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As of 9:07 AM MDT on March 29, 2026, all 24 cities in Arapahoe County, CO in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Deer Trail, CO with a reading of 1.7.

Over the next 24 hours, the highest UV Index reading in Arapahoe County, CO is expected to be 7.8 in Littleton between 1:00 PM - 2:00 PM MDT today.

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Current UV Index in Cities in Arapahoe County, CO

• Aetna Estates - 1.6
• Aurora - 1.6
• Bow Mar - 1.5
• Brick Center - 1.7
• Byers - 1.6
• Centennial - 1.6
• Cherry Creek - 1.6
• Cherry Hills Village - 1.5
• Columbine Valley - 1.6
• Comanche Creek - 1.7
• Deer Trail - 1.7
• Dove Valley - 1.6
• Englewood - 1.5
• Four Square Mile - 1.5
• Foxfield - 1.6
• Glendale - 1.5
• Greenwood Village - 1.6
• Holly Hills - 1.5
• Inverness - 1.6
• Littleton - 1.6
• Peoria - 1.6
• Sheridan - 1.5
• Strasburg - 1.6
• Watkins - 1.6