Arizona (AZ): Current UV Index and Hourly Forecast

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As of 12:22 PM MST on November 29, 2025, out of 461 cities in Arizona in our database, 460 cities (100%) have a UV Index reading of Moderate, while 1 city (0%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Sierra Vista, AZ with a reading of 4.4.

Over the next 24 hours, the highest UV Index reading in Arizona is expected to be 4.4 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 - 3.4
• Avondale - 3.3
• Buckeye - 3.3
• Bullhead City - 2.6
• Casa Grande - 3.5
• Casas Adobes - 4
• Catalina Foothills - 4
• Chandler - 3.5
• Drexel Heights - 4
• El Mirage - 3.3
• Flagstaff - 3.1
• Fortuna Foothills - 3.5
• Gilbert - 3.5
• Glendale - 3.3
• Goodyear - 3.4
• Kingman - 2.8
• Lake Havasu City - 2.9
• Marana - 3.8
• Maricopa - 3.5
• Mesa - 3.4
• Oro Valley - 3.9
• Peoria - 3.3
• Phoenix - 3.4
• Prescott - 3.3
• Prescott Valley - 3.2
• Queen Creek - 3.5
• Sahuarita - 4.1
• San Luis - 3.5
• San Tan Valley - 3.5
• Scottsdale - 3.4
• Sierra Vista - 4.4
• Sun City - 3.3
• Surprise - 3.3
• Tempe - 3.4
• Tucson - 4
• Yuma - 3.5