Merced County, CA: Current UV Index and Hourly Forecast

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As of 2:06 PM PDT on May 14, 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 Gustine, CA with a reading of 8.

Over the next 24 hours, the highest UV Index reading in Merced County, CA is expected to be 8.9 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 - 7.8
• Ballico - 7.9
• Bear Creek - 7.8
• Cressey - 7.9
• Delhi - 7.9
• Dos Palos - 7.9
• Dos Palos Y - 7.9
• El Nido - 7.8
• Franklin - 7.8
• Gustine - 8
• Hilmar-Irwin - 7.9
• Le Grand - 7.8
• Livingston - 7.9
• Los Banos - 7.9
• McSwain - 7.8
• Merced - 7.8
• Planada - 7.8
• Santa Nella - 8
• Snelling - 7.8
• South Dos Palos - 7.9
• Stevinson - 7.9
• Tuttle - 7.8
• University of California-Merced - 7.8
• Volta - 8
• Winton - 7.8