California (CA): Current UV Index and Hourly Forecast

  • USA
  • California

As of 2:47 PM PDT on October 1, 2025, out of 1591 cities in California in our database, 761 cities (48%) have a UV Index reading of High, 518 cities (33%) have a UV Index reading of Low, while 312 cities (20%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Big Bear City, CA with a reading of 7.1.

Over the next 24 hours, the highest UV Index reading in California is expected to be 8.5 in Big Bear City between 1:00 PM - 2:00 PM PDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in California as of 2:47 PM PDT, October 1, 2025

Counties in California (CA)

Current UV Index in Major Cities in California (CA)

2:47 PM PDT, October 1, 2025