Riverside County, CA: Current UV Index and Hourly Forecast

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As of 5:48 PM PDT on September 17, 2025, all 73 cities in Riverside County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Cathedral City, CA with a reading of 0.9.

Over the next 24 hours, the highest UV Index reading in Riverside County, CA is expected to be 9.1 in Sky Valley between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Riverside County, CA

• Aguanga - 0.3
• Anza - 0.3
• Banning - 0.7
• Beaumont - 0.7
• Bermuda Dunes - 0.8
• Blythe - 0.7
• Cabazon - 0.8
• Calimesa - 0.7
• Canyon Lake - 0.7
• Cathedral City - 0.9
• Cherry Valley - 0.7
• Coachella - 0.8
• Corona - 0.7
• Coronita - 0.8
• Desert Center - 0.6
• Desert Edge - 0.8
• Desert Hot Springs - 0.8
• Desert Palms - 0.8
• East Hemet - 0.7
• Eastvale - 0.8
• El Sobrante - 0.7
• French Valley - 0.7
• Garnet - 0.8
• Good Hope - 0.7
• Hemet - 0.7
• Highgrove - 0.6
• Home Gardens - 0.8
• Homeland - 0.7
• Idyllwild-Pine Cove - 0.8
• Indian Wells - 0.8
• Indio - 0.8
• Indio Hills - 0.8
• Jurupa Valley - 0.8
• La Quinta - 0.8
• Lake Elsinore - 0.7
• Lake Mathews - 0.7
• Lake Riverside - 0.3
• Lakeland Village - 0.7
• Lakeview - 0.7
• March ARB - 0.6
• Mead Valley - 0.7
• Meadowbrook - 0.7
• Mecca - 0.6
• Menifee - 0.7
• Mesa Verde - 0.7
• Moreno Valley - 0.6
• Mountain Center - 0.8
• Murrieta - 0.8
• Norco - 0.8
• North Shore - 0.6
• Nuevo - 0.7
• Oasis - 0.6
• Palm Desert - 0.8
• Palm Springs - 0.9
• Perris - 0.7
• Rancho Mirage - 0.9
• Ripley - 0.7
• Riverside - 0.8
• Romoland - 0.7
• Sage - 0.7
• San Jacinto - 0.7
• Sky Valley - 0.7
• Temecula - 0.8
• Temescal Valley - 0.7
• Thermal - 0.8
• Thousand Palms - 0.8
• Valle Vista - 0.7
• Vista Santa Rosa - 0.6
• Warm Springs - 0.7
• Whitewater - 0.8
• Wildomar - 0.8
• Winchester - 0.7
• Woodcrest - 0.6