Yolo County, CA: Current UV Index and Hourly Forecast

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As of 3:09 PM PDT on July 8, 2026, all 17 cities in Yolo County, CA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Guinda, CA with a reading of 8.

Over the next 24 hours, the highest UV Index reading in Yolo County, CA is expected to be 10.1 in Winters between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Yolo County, CA

• Brooks - 8
• Clarksburg - 7.7
• Davis - 7.8
• Dunnigan - 7.7
• El Macero - 7.8
• Esparto - 7.8
• Guinda - 8
• Knights Landing - 7.7
• Madison - 7.8
• Monument Hills - 7.8
• Rumsey - 7.9
• Tancred - 8
• University of California-Davis - 7.8
• West Sacramento - 7.7
• Winters - 7.9
• Woodland - 7.7
• Yolo - 7.7