Merced County, CA: Current UV Index and Hourly Forecast

As of 4:58 AM PDT on August 22, 2025, all 25 cities in Merced County, CA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Merced County, CA is expected to be 9.3 in Santa Nella between 1:00 PM - 2:00 PM PDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Merced County, CA as of 4:58 AM PDT, August 22, 2025

Current UV Index in Cities in Merced County, CA

4:58 AM PDT, August 22, 2025