Merced County, CA: Current UV Index and Hourly Forecast

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As of 12:34 PM PDT on April 1, 2025, out of 25 cities in Merced County, CA in our database, 18 cities (72%) have a UV Index reading of Moderate, while 7 cities (28%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Santa Nella, CA with a reading of 4.5.

Over the next 24 hours, the highest UV Index reading in Merced County, CA is expected to be 4.8 in Santa Nella between 2:00 PM - 3:00 PM PDT today.

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Current UV Index in Cities in Merced County, CA

• Atwater - 3.1
• Ballico - 1.4
• Bear Creek - 3.1
• Cressey - 1.4
• Delhi - 1.4
• Dos Palos - 3.3
• Dos Palos Y - 3.3
• El Nido - 3.1
• Franklin - 3.1
• Gustine - 3.4
• Hilmar-Irwin - 1.4
• Le Grand - 3.7
• Livingston - 1.4
• Los Banos - 3.3
• McSwain - 3.1
• Merced - 3.1
• Planada - 3.7
• Santa Nella - 4.5
• Snelling - 2
• South Dos Palos - 3.3
• Stevinson - 2.6
• Tuttle - 3.1
• University of California-Merced - 3.1
• Volta - 4.5
• Winton - 2