Los Angeles County, CA: Current UV Index and Hourly Forecast

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As of 3:03 PM PDT on September 16, 2025, out of 141 cities in Los Angeles County, CA in our database, 87 cities (62%) have a UV Index reading of High, while 54 cities (38%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Glendora, CA with a reading of 5.8.

Over the next 24 hours, the highest UV Index reading in Los Angeles County, CA is expected to be 8.3 in Arcadia between 1:00 PM - 2:00 PM PDT tomorrow.

Search Cities in Los Angeles County, CA

Current UV Index in Cities in Los Angeles County, CA

• Acton - 5.7
• Agoura Hills - 5.6
• Agua Dulce - 5.7
• Alhambra - 5.5
• Alondra Park - 5.5
• Altadena - 5.6
• Arcadia - 5.7
• Artesia - 5.3
• Avalon - 5.6
• Avocado Heights - 5.4
• Azusa - 5.7
• Baldwin Park - 5.4
• Bell - 5.5
• Bell Gardens - 5.5
• Bellflower - 5.5
• Beverly Hills - 5.3
• Bradbury - 5.7
• Burbank - 5.6
• Calabasas - 5.6
• Carson - 5.5
• Castaic - 5.7
• Cerritos - 5.3
• Charter Oak - 5.4
• Citrus - 5.4
• Claremont - 5.8
• Commerce - 5.5
• Compton - 5.5
• Covina - 5.4
• Cudahy - 5.5
• Culver City - 5.3
• Del Aire - 5.5
• Desert View Highlands - 5.7
• Diamond Bar - 5.4
• Downey - 5.5
• Duarte - 5.7
• East Los Angeles - 5.5
• East Pasadena - 5.7
• East Rancho Dominguez - 5.5
• East San Gabriel - 5.4
• East Whittier - 5.4
• El Monte - 5.4
• El Segundo - 5.3
• Elizabeth Lake - 5.8
• Florence-Graham - 5.5
• Gardena - 5.5
• Glendale - 5.6
• Glendora - 5.8
• Hacienda Heights - 5.4
• Hasley Canyon - 5.7
• Hawaiian Gardens - 5.3
• Hawthorne - 5.5
• Hermosa Beach - 5.5
• Hidden Hills - 5.6
• Huntington Park - 5.5
• Industry - 5.4
• Inglewood - 5.5
• Irwindale - 5.4
• La Cañada Flintridge - 5.6
• La Crescenta-Montrose - 5.6
• La Habra Heights - 5.4
• La Mirada - 5.4
• La Puente - 5.4
• La Verne - 5.4
• Ladera Heights - 5.5
• Lake Hughes - 5.8
• Lake Los Angeles - 5.7
• Lakewood - 5.3
• Lancaster - 5.6
• Lawndale - 5.5
• Lennox - 5.5
• Leona Valley - 5.7
• Littlerock - 5.7
• Lomita - 5.5
• Long Beach - 5.5
• Los Angeles - 5.3
• Lynwood - 5.5
• Malibu - 5.5
• Manhattan Beach - 5.3
• Marina del Rey - 5.3
• Mayflower Village - 5.4
• Maywood - 5.5
• Monrovia - 5.7
• Montebello - 5.4
• Monterey Park - 5.5
• North El Monte - 5.4
• Norwalk - 5.4
• Palmdale - 5.7
• Palos Verdes Estates - 5.5
• Paramount - 5.5
• Pasadena - 5.6
• Pepperdine University - 5.5
• Pico Rivera - 5.4
• Pomona - 5.4
• Quartz Hill - 5.6
• Rancho Palos Verdes - 5.5
• Redondo Beach - 5.5
• Rolling Hills - 5.5
• Rolling Hills Estates - 5.5
• Rose Hills - 5.4
• Rosemead - 5.4
• Rowland Heights - 5.4
• San Dimas - 5.4
• San Fernando - 5.6
• San Gabriel - 5.4
• San Marino - 5.4
• San Pasqual - 5.7
• Santa Clarita - 5.7
• Santa Fe Springs - 5.4
• Santa Monica - 5.3
• Sierra Madre - 5.7
• Signal Hill - 5.5
• South El Monte - 5.4
• South Gate - 5.5
• South Monrovia Island - 5.4
• South Pasadena - 5.5
• South San Gabriel - 5.4
• South San Jose Hills - 5.4
• South Whittier - 5.4
• Stevenson Ranch - 5.7
• Sun Village - 5.7
• Temple City - 5.4
• Topanga - 5.3
• Torrance - 5.5
• Val Verde - 5.7
• Valinda - 5.4
• Vernon - 5.5
• View Park-Windsor Hills - 5.5
• Vincent - 5.4
• Walnut - 5.4
• Walnut Park - 5.5
• West Athens - 5.5
• West Carson - 5.5
• West Covina - 5.4
• West Hollywood - 5.5
• West Puente Valley - 5.4
• West Rancho Dominguez - 5.5
• West Whittier-Los Nietos - 5.4
• Westlake Village - 5.6
• Westmont - 5.5
• Whittier - 5.4
• Willowbrook - 5.5