UV Index Today in Orange County, California (CA)

Friday, May 22, 2026 -11:39 AMPDT (GMT-7)

The average maximum UV Index today across 56 locations in Orange County, California (CA), is 8.8. The highest projected maximum is 9.2 in Corona at 1:00 PM PDT, while the lowest projected maximum is 8.4 in Santa Ana at 1:00 PM PDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 8.7. The highest projected maximum is 9 in Corona at 1:00 PM PDT, and the lowest projected maximum is 8.3 in Santa Ana at 1:00 PM PDT.

56 Places in Orange County, California (CA)

Maximum UV Index Today
  • Anaheim - 9
  • Irvine - 9
  • Long Beach - 8.9
  • Santa Ana - 8.4