Placer County, CA: Current UV Index and Hourly Forecast

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As of 10:16 AM PST on December 22, 2025, all 22 cities in Placer County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Kings Beach, CA with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in Placer County, CA is expected to be 0.6 in Kings Beach between 9:00 AM - 10:00 AM PST tomorrow.

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Current UV Index in Cities in Placer County, CA

• Alta - 0
• Auburn - 0
• Carnelian Bay - 0.2
• Cedar Flat - 0.2
• Colfax - 0
• Dollar Point - 0.2
• Dutch Flat - 0
• Foresthill - 0
• Granite Bay - 0.1
• Kings Beach - 0.2
• Lincoln - 0
• Loomis - 0.1
• Meadow Vista - 0
• Newcastle - 0.1
• North Auburn - 0
• Penryn - 0.1
• Rocklin - 0.1
• Roseville - 0.1
• Sheridan - 0
• Sunnyside-Tahoe City - 0.2
• Tahoe Vista - 0.2
• Tahoma - 0.1