Merced County, CA: Current UV Index and Hourly Forecast

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As of 9:13 AM PDT on October 27, 2026, all 25 cities in Merced County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Merced, CA with a reading of 0.5.

Over the next 24 hours, the highest UV Index reading in Merced County, CA is expected to be 4.1 in Santa Nella between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Merced County, CA

• Atwater - 0.5
• Ballico - 0.4
• Bear Creek - 0.5
• Cressey - 0.4
• Delhi - 0.4
• Dos Palos - 0.5
• Dos Palos Y - 0.5
• El Nido - 0.5
• Franklin - 0.5
• Gustine - 0.4
• Hilmar-Irwin - 0.4
• Le Grand - 0.5
• Livingston - 0.4
• Los Banos - 0.5
• McSwain - 0.5
• Merced - 0.5
• Planada - 0.5
• Santa Nella - 0.5
• Snelling - 0.5
• South Dos Palos - 0.5
• Stevinson - 0.4
• Tuttle - 0.5
• University of California-Merced - 0.5
• Volta - 0.5
• Winton - 0.5