Arapahoe County, CO: Current UV Index and Hourly Forecast

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As of 6:34 PM MDT on September 20, 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 Littleton, CO with a reading of 0.4.

Over the next 24 hours, the highest UV Index reading in Arapahoe County, CO is expected to be 7.6 in Brick Center between 1:00 PM - 2:00 PM MDT tomorrow.

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Current UV Index in Cities in Arapahoe County, CO

• Aetna Estates - 0.3
• Aurora - 0.3
• Bow Mar - 0.4
• Brick Center - 0.3
• Byers - 0.3
• Centennial - 0.3
• Cherry Creek - 0.3
• Cherry Hills Village - 0.4
• Columbine Valley - 0.4
• Comanche Creek - 0.3
• Deer Trail - 0.3
• Dove Valley - 0.3
• Englewood - 0.4
• Four Square Mile - 0.4
• Foxfield - 0.3
• Glendale - 0.4
• Greenwood Village - 0.4
• Holly Hills - 0.4
• Inverness - 0.3
• Littleton - 0.4
• Peoria - 0.3
• Sheridan - 0.4
• Strasburg - 0.3
• Watkins - 0.3