Orange County, CA: Current UV Index and Hourly Forecast

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As of 2:30 PM PDT on June 5, 2025, all 45 cities in Orange County, CA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is San Clemente, CA with a reading of 8.9.

Over the next 24 hours, the highest UV Index reading in Orange County, CA is expected to be 10.4 in Rancho Santa Margarita between 1:00 PM - 2:00 PM PDT tomorrow.

Search Cities in Orange County, CA

Current UV Index in Cities in Orange County, CA

• Aliso Viejo - 8.7
• Anaheim - 8.6
• Brea - 8.6
• Buena Park - 8.2
• Costa Mesa - 8.2
• Coto de Caza - 8.9
• Cypress - 8.2
• Dana Point - 8.7
• Fountain Valley - 8.2
• Fullerton - 8.5
• Garden Grove - 8.2
• Huntington Beach - 8.2
• Irvine - 8.6
• La Habra - 8.5
• La Palma - 8.2
• Ladera Ranch - 8.7
• Laguna Beach - 8.7
• Laguna Hills - 8.7
• Laguna Niguel - 8.7
• Laguna Woods - 8.7
• Lake Forest - 8.6
• Las Flores - 8.9
• Los Alamitos - 8.2
• Midway City - 8.2
• Mission Viejo - 8.7
• Modjeska - 8.6
• Newport Beach - 8.7
• North Tustin - 8.6
• Orange - 8.6
• Placentia - 8.6
• Rancho Mission Viejo - 8.9
• Rancho Santa Margarita - 8.9
• Rossmoor - 8.2
• San Clemente - 8.9
• San Juan Capistrano - 8.7
• Santa Ana - 8.2
• Seal Beach - 8.2
• Silverado - 8.6
• Stanton - 8.2
• Trabuco Canyon - 8.9
• Tustin - 8.6
• Villa Park - 8.6
• Westminster - 8.2
• Williams Canyon - 8.6
• Yorba Linda - 8.6