UV Index Today in Orange County, California (CA)
Wednesday, November 4, 2026 -9:16 AM PST (GMT-8)
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The average maximum UV Index today across 56 locations in Orange County, California (CA), is 4.5. The highest projected maximum is 4.6 in Corona at 12:00 PM PST, while the lowest projected maximum is 4.4 in Long Beach at 12:00 PM PST.
Tomorrow, the average maximum UV Index across those same locations is expected to be 4.5. The highest projected maximum is 4.7 in Corona at 12:00 PM PST, and the lowest projected maximum is 4.4 in Fullerton at 12:00 PM PST.
56 Places in Orange County, California (CA)
Maximum UV Index Today