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

As of 2:26 PM PDT on May 14, 2025, all 23 cities in Santa Clara County, CA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is East Foothills, CA with a reading of 8.2.

Over the next 24 hours, the highest UV Index reading in Santa Clara County, CA is expected to be 8.9 in San Jose 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 2:26 PM PDT, May 14, 2025

Current UV Index in Cities in Santa Clara County, CA

2:26 PM PDT, May 14, 2025