Merced County, CA: Current UV Index and Hourly Forecast

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As of 12:32 PM PST on December 20, 2025, out of 25 cities in Merced County, CA in our database, 19 cities (76%) have a UV Index reading of Low, while 6 cities (24%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Los Banos, CA with a reading of 2.5.

Over the next 24 hours, the highest UV Index reading in Merced County, CA is expected to be 2.5 in Los Banos between 12:00 PM - 1:00 PM PST today.

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Current UV Index in Cities in Merced County, CA

• Atwater - 2.3
• Ballico - 2.4
• Bear Creek - 2.3
• Cressey - 2.4
• Delhi - 2.4
• Dos Palos - 2.5
• Dos Palos Y - 2.5
• El Nido - 2.3
• Franklin - 2.3
• Gustine - 1.4
• Hilmar-Irwin - 2.4
• Le Grand - 2.4
• Livingston - 2.4
• Los Banos - 2.5
• McSwain - 2.3
• Merced - 2.3
• Planada - 2.4
• Santa Nella - 2.5
• Snelling - 2.4
• South Dos Palos - 2.5
• Stevinson - 2.2
• Tuttle - 2.3
• University of California-Merced - 2.3
• Volta - 2.5
• Winton - 2.4