Santa Clara County, CA: Current UV Index and Hourly Forecast

As of 3:19 AM PDT on April 24, 2025, all 23 cities in Santa Clara 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 Clara County, CA is expected to be 6.7 in Gilroy 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 Santa Clara County, CA as of 3:19 AM PDT, April 24, 2025

Current UV Index in Cities in Santa Clara County, CA

3:19 AM PDT, April 24, 2025