UV Index Today in Marin County, California (CA)

Wednesday, July 15, 2026 -10:19 AM PDT (GMT-7)

The average maximum UV Index today across 29 locations in Marin County, California (CA), is 9.8. The highest projected maximum is 9.9 in San Rafael at 1:00 PM PDT, while the lowest projected maximum is 9.2 in Bodega Bay at 1:00 PM PDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 9.9. The highest projected maximum is 9.9 in San Rafael at 1:00 PM PDT, and the lowest projected maximum is 9.2 in Bodega Bay at 1:00 PM PDT.

29 Places in Marin County, California (CA)

Maximum UV Index Today
  • San Francisco - 9.8