Placer County, CA: Current UV Index and Hourly Forecast

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As of 6:44 PM PST on January 11, 2026, all 22 cities in Placer 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 Placer County, CA is expected to be 2.8 in Tahoma between 12:00 PM - 1:00 PM PST tomorrow.

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Current UV Index in Cities in Placer County, CA

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