San Bernardino County, CA: Current UV Index and Hourly Forecast

As of 9:14 AM PDT on April 25, 2025, out of 52 cities in San Bernardino County, CA in our database, 37 cities (71%) have a UV Index reading of Low, while 15 cities (29%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Big River, CA with a reading of 2.8.

Over the next 24 hours, the highest UV Index reading in San Bernardino County, CA is expected to be 9.2 in Big Bear City between 1:00 PM - 2:00 PM PDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in San Bernardino County, CA as of 9:14 AM PDT, April 25, 2025

Current UV Index in Cities in San Bernardino County, CA

9:14 AM PDT, April 25, 2025