Humboldt County, CA: Current UV Index and Hourly Forecast

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As of 5:56 PM PDT on June 26, 2025, all 40 cities in Humboldt County, CA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Fortuna, CA with a reading of 3.7.

Over the next 24 hours, the highest UV Index reading in Humboldt County, CA is expected to be 10.4 in Alderpoint between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Humboldt County, CA

• Alderpoint - 3.7
• Arcata - 3.5
• Bayview - 3.3
• Benbow - 3.7
• Big Lagoon - 3.2
• Blue Lake - 3.4
• Cutten - 3.3
• Eureka - 3.3
• Fairhaven - 3.3
• Ferndale - 3.7
• Fieldbrook - 3.4
• Fields Landing - 3.3
• Fortuna - 3.7
• Garberville - 3.7
• Hoopa - 3.4
• Humboldt Hill - 3.3
• Hydesville - 3.6
• Indianola - 3.5
• Kep'el - 3.6
• Loleta - 3.3
• Manila - 3.3
• McKinleyville - 3.4
• Miranda - 3.6
• Myers Flat - 3.6
• Myrtletown - 3.3
• Orick - 3.4
• Phillipsville - 3.6
• Pine Hills - 3.3
• Redcrest - 3.6
• Redway - 3.7
• Rio Dell - 3.6
• Samoa - 3.3
• Scotia - 3.6
• Shelter Cove - 3.7
• Trinidad - 3.1
• Wautec - 3.6
• Weitchpec - 3.6
• Weott - 3.6
• Westhaven-Moonstone - 3.4
• Willow Creek - 3.4