Mendocino County, CA: Current UV Index and Hourly Forecast

As of 10:58 AM PDT on September 18, 2025, all 23 cities in Mendocino County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Leggett, CA with a reading of 2.2.

Over the next 24 hours, the highest UV Index reading in Mendocino County, CA is expected to be 5.6 in Boonville between 2:00 PM - 3:00 PM PDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Mendocino County, CA as of 10:58 AM PDT, September 18, 2025

Current UV Index in Cities in Mendocino County, CA

10:58 AM PDT, September 18, 2025