Maricopa County, AZ: Current UV Index and Hourly Forecast

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As of 1:08 PM MST on August 3, 2025, all 43 cities in Maricopa County, AZ in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is New River, AZ with a reading of 11.8.

Over the next 24 hours, the highest UV Index reading in Maricopa County, AZ is expected to be 11.8 in New River between 1:00 PM - 2:00 PM MST today.

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Current UV Index in Cities in Maricopa County, AZ

• Aguila - 11.7
• Anthem - 11.4
• Arlington - 11.5
• Avondale - 11.3
• Buckeye - 11.5
• Carefree - 11.4
• Cave Creek - 11.4
• Chandler - 11.3
• Circle City - 11.5
• Citrus Park - 11.4
• El Mirage - 11.3
• Fountain Hills - 11.3
• Gila Bend - 11.5
• Gila Crossing - 11.5
• Gilbert - 11.3
• Glendale - 11.3
• Goodyear - 11.5
• Guadalupe - 11.3
• Kaka - 11.8
• Komatke - 11.5
• Litchfield Park - 11.3
• Maricopa Colony - 11.5
• Mesa - 11.3
• Morristown - 11.5
• New River - 11.8
• Paradise Valley - 11.3
• Peoria - 11.4
• Phoenix - 11.3
• Queen Creek - 11.4
• Rio Verde - 11.5
• Scottsdale - 11.5
• Sun City - 11.3
• Sun City West - 11.4
• Sun Lakes - 11.3
• Surprise - 11.5
• Tempe - 11.3
• Theba - 11.5
• Tolleson - 11.3
• Tonopah - 11.5
• Wickenburg - 11.7
• Wintersburg - 11.5
• Wittmann - 11.5
• Youngtown - 11.3