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

As of 7:42 PM PDT on April 2, 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 5.8 in Santa Clara between 1:00 PM - 2:00 PM PDT tomorrow.

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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 7:42 PM PDT, April 2, 2025

Current UV Index in Cities in Santa Clara County, CA

7:42 PM PDT, April 2, 2025