Yuma County, AZ: Current UV Index and Hourly Forecast

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As of 8:09 AM MST on August 21, 2026, all 20 cities in Yuma County, AZ in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Wellton, AZ with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Yuma County, AZ is expected to be 10.1 in Dateland between 1:00 PM - 2:00 PM MST today.

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Current UV Index in Cities in Yuma County, AZ

• Avenue B and C - 1.2
• Aztec - 1.3
• Buckshot - 1.2
• Dateland - 1.3
• Donovan Estates - 1.2
• Drysdale - 1.2
• El Prado Estates - 1.2
• Fortuna Foothills - 1.2
• Gadsden - 1.2
• Martinez Lake - 1.2
• Padre Ranchitos - 1.2
• Rancho Mesa Verde - 1.2
• San Luis - 1.2
• Somerton - 1.2
• Tacna - 1.3
• Wall Lane - 1.2
• Wellton - 1.3
• Wellton Hills - 1.3
• Yuma - 1.2
• Yuma Proving Ground - 1.2