Merced County, CA: Current UV Index and Hourly Forecast

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As of 2:07 PM PDT on June 5, 2025, all 25 cities in Merced County, CA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Santa Nella, CA with a reading of 8.7.

Over the next 24 hours, the highest UV Index reading in Merced County, CA is expected to be 9.2 in Santa Nella between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Merced County, CA

• Atwater - 8.5
• Ballico - 8.4
• Bear Creek - 8.5
• Cressey - 8.4
• Delhi - 8.4
• Dos Palos - 8.6
• Dos Palos Y - 8.6
• El Nido - 8.5
• Franklin - 8.5
• Gustine - 8.5
• Hilmar-Irwin - 8.4
• Le Grand - 8.6
• Livingston - 8.4
• Los Banos - 8.6
• McSwain - 8.5
• Merced - 8.5
• Planada - 8.6
• Santa Nella - 8.7
• Snelling - 8.5
• South Dos Palos - 8.6
• Stevinson - 8.5
• Tuttle - 8.5
• University of California-Merced - 8.5
• Volta - 8.7
• Winton - 8.5