As of 1:28 AM PDT on May 17, 2025, all 30 cities in Santa Cruz County, CA in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Santa Cruz County, CA is expected to be 8.3 in Santa Cruz between 1:00 PM - 2:00 PM PDT today.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |