Arizona (AZ): Current UV Index and Hourly Forecast

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As of 12:25 PM MST on November 8, 2025, all 461 cities in Arizona in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Sierra Vista, AZ with a reading of 5.4.

Over the next 24 hours, the highest UV Index reading in Arizona is expected to be 5.4 in Sierra Vista between 12:00 PM - 1:00 PM MST today.

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Counties in Arizona (AZ)

• Apache County
• Cochise County
• Coconino County
• Gila County
• Graham County
• Greenlee County
• La Paz County
• Maricopa County
• Mohave County
• Navajo County
• Pima County
• Pinal County
• Santa Cruz County
• Yavapai County
• Yuma County

Current UV Index in Major Cities in Arizona (AZ)

• Apache Junction - 4.5
• Avondale - 4.4
• Buckeye - 4.5
• Bullhead City - 4.3
• Casa Grande - 4.6
• Casas Adobes - 5
• Catalina Foothills - 5
• Chandler - 4.5
• Drexel Heights - 5
• El Mirage - 4.4
• Flagstaff - 4.7
• Fortuna Foothills - 4.4
• Gilbert - 4.5
• Glendale - 4.4
• Goodyear - 4.5
• Kingman - 4.5
• Lake Havasu City - 4.4
• Marana - 4.9
• Maricopa - 4.6
• Mesa - 4.5
• Oro Valley - 5
• Peoria - 4.4
• Phoenix - 4.5
• Prescott - 4.8
• Prescott Valley - 4.7
• Queen Creek - 4.6
• Sahuarita - 5.1
• San Luis - 4.4
• San Tan Valley - 4.6
• Scottsdale - 4.5
• Sierra Vista - 5.4
• Sun City - 4.4
• Surprise - 4.5
• Tempe - 4.5
• Tucson - 5
• Yuma - 4.5