UV Index Today in Yuma County, Arizona (AZ)

The average maximum UV Index today across 9 locations in Yuma County, Arizona (AZ), is 8.7. The highest projected maximum is 9.1 in Yuma at 1:00 PM MST, while the lowest projected maximum is 8.2 in La Paz Valley at 1:00 PM MST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 8.4. The highest projected maximum is 8.4 in Yuma at 1:00 PM MST, and the lowest projected maximum is 8.3 in Fortuna Foothills at 1:00 PM MST.