Placer County, CA: Current UV Index and Hourly Forecast

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As of 6:59 PM PDT on August 31, 2026, 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 Roseville, CA with a reading of 0.6.

Over the next 24 hours, the highest UV Index reading in Placer County, CA is expected to be 8 in Tahoma between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Placer County, CA

• Alta - 0.6
• Auburn - 0.6
• Carnelian Bay - 0.6
• Cedar Flat - 0.6
• Colfax - 0.6
• Dollar Point - 0.6
• Dutch Flat - 0.6
• Foresthill - 0.6
• Granite Bay - 0.6
• Kings Beach - 0.6
• Lincoln - 0.6
• Loomis - 0.6
• Meadow Vista - 0.6
• Newcastle - 0.6
• North Auburn - 0.6
• Penryn - 0.6
• Rocklin - 0.6
• Roseville - 0.6
• Sheridan - 0.6
• Sunnyside-Tahoe City - 0.6
• Tahoe Vista - 0.6
• Tahoma - 0.6