Humboldt County, CA: Current UV Index and Hourly Forecast

As of 3:12 AM PDT on March 18, 2025, all 40 cities in Humboldt 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 Humboldt County, CA is expected to be 4.7 in Alderpoint 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 Humboldt County, CA as of 3:12 AM PDT, March 18, 2025

Current UV Index in Cities in Humboldt County, CA

3:12 AM PDT, March 18, 2025