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

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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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Current UV Index in Cities in Santa Clara County, CA

• Alum Rock - 0
• Cambrian Park - 0
• Campbell - 0
• Cupertino - 0
• East Foothills - 0
• Fruitdale - 0
• Gilroy - 0
• Lexington Hills - 0
• Los Altos - 0
• Los Altos Hills - 0
• Los Gatos - 0
• Loyola - 0
• Milpitas - 0
• Monte Sereno - 0
• Morgan Hill - 0
• Mountain View - 0
• Palo Alto - 0
• San Jose - 0
• San Martin - 0
• Santa Clara - 0
• Saratoga - 0
• Stanford - 0
• Sunnyvale - 0