UV Index Today in Riverside County, California (CA)

Wednesday, November 4, 2026 -9:16 AM PST (GMT-8)

The average maximum UV Index today across 89 locations in Riverside County, California (CA), is 4.6. The highest projected maximum is 4.9 in Idyllwild-Pine Cove at 12:00 PM PST, while the lowest projected maximum is 4.5 in Anaheim at 12:00 PM PST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 4.7. The highest projected maximum is 5 in Idyllwild-Pine Cove at 12:00 PM PST, and the lowest projected maximum is 4.2 in Blythe at 12:00 PM PST.

89 Places in Riverside County, California (CA)

Maximum UV Index Today
  • Anaheim - 4.5
  • Fontana - 4.5
  • Moreno Valley - 4.6
  • Riverside - 4.5