Humboldt County, CA: Current UV Index and Hourly Forecast

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As of 3:05 PM PDT on July 31, 2026, out of 40 cities in Humboldt County, CA in our database, 38 cities (95%) have a UV Index reading of Very High, while 2 cities (5%) have a UV Index reading of High. The city with the highest UV Index reading right now is Alderpoint, CA with a reading of 8.3.

Over the next 24 hours, the highest UV Index reading in Humboldt County, CA is expected to be 10.1 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 - 8.3
• Arcata - 7.9
• Bayview - 7.7
• Benbow - 8.2
• Big Lagoon - 7.4
• Blue Lake - 7.8
• Cutten - 7.7
• Eureka - 7.7
• Fairhaven - 7.7
• Ferndale - 8
• Fieldbrook - 7.8
• Fields Landing - 7.7
• Fortuna - 8
• Garberville - 8.2
• Hoopa - 8.1
• Humboldt Hill - 7.7
• Hydesville - 8
• Indianola - 7.9
• Kep'el - 8.1
• Loleta - 7.7
• Manila - 7.7
• McKinleyville - 7.8
• Miranda - 8.1
• Myers Flat - 8.1
• Myrtletown - 7.7
• Orick - 7.9
• Phillipsville - 8.1
• Pine Hills - 7.7
• Redcrest - 8
• Redway - 8.2
• Rio Dell - 8
• Samoa - 7.7
• Scotia - 8
• Shelter Cove - 7.8
• Trinidad - 7.4
• Wautec - 8.1
• Weitchpec - 8.1
• Weott - 8.1
• Westhaven-Moonstone - 7.8
• Willow Creek - 8.1