UV Index Today in San Bernardino County, California (CA)

The average maximum UV Index today across 74 locations in San Bernardino County, California (CA), is 8. The highest projected maximum is 8.8 in Claremont at 1:00 PM PDT, while the lowest projected maximum is 7.6 in Twentynine Palms at 1:00 PM PDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 7.9. The highest projected maximum is 8.7 in Big Bear City at 1:00 PM PDT, and the lowest projected maximum is 6.9 in Boron at 1:00 PM PDT.