Yolo County, CA: Current UV Index and Hourly Forecast

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As of 4:25 PM PDT on July 28, 2026, all 17 cities in Yolo County, CA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Rumsey, CA with a reading of 5.3.

Over the next 24 hours, the highest UV Index reading in Yolo County, CA is expected to be 9.7 in Guinda between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Yolo County, CA

• Brooks - 5.3
• Clarksburg - 5.2
• Davis - 5.2
• Dunnigan - 5.1
• El Macero - 5.2
• Esparto - 5.2
• Guinda - 5.3
• Knights Landing - 5.1
• Madison - 5.2
• Monument Hills - 5.2
• Rumsey - 5.3
• Tancred - 5.3
• University of California-Davis - 5.2
• West Sacramento - 5.2
• Winters - 5.2
• Woodland - 5.1
• Yolo - 5.1