Sacramento County, CA: Current UV Index and Hourly Forecast

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As of 10:51 AM PDT on September 5, 2026, all 34 cities in Sacramento County, CA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Rancho Cordova, CA with a reading of 3.2.

Over the next 24 hours, the highest UV Index reading in Sacramento County, CA is expected to be 7.3 in Walnut Grove between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Sacramento County, CA

• Antelope - 3.1
• Arden-Arcade - 3.1
• Carmichael - 3.1
• Citrus Heights - 3.1
• Clay - 3.2
• Courtland - 3.2
• Elk Grove - 3.1
• Elverta - 3.1
• Fair Oaks - 3.1
• Florin - 3.1
• Folsom - 3.1
• Foothill Farms - 3.1
• Freeport - 3.1
• Fruitridge Pocket - 3.1
• Galt - 3.2
• Gold River - 3.1
• Herald - 3.2
• Hood - 3.2
• Isleton - 3.2
• La Riviera - 3.2
• Lemon Hill - 3.1
• Mather - 3.2
• McClellan Park - 3.1
• North Highlands - 3.1
• Orangevale - 3.1
• Parkway - 3.1
• Rancho Cordova - 3.2
• Rancho Murieta - 2.7
• Rio Linda - 3.1
• Rosemont - 3.2
• Sacramento - 3.1
• Vineyard - 3.2
• Walnut Grove - 3.2
• Wilton - 3.2