Humboldt County, CA: Current UV Index and Hourly Forecast

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As of 5:09 PM PDT on September 10, 2026, all 40 cities in Humboldt County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Redway, CA with a reading of 1.9.

Over the next 24 hours, the highest UV Index reading in Humboldt County, CA is expected to be 7.3 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 - 1.7
• Arcata - 1.7
• Bayview - 1.1
• Benbow - 1.9
• Big Lagoon - 1.6
• Blue Lake - 1.7
• Cutten - 1.1
• Eureka - 1.1
• Fairhaven - 1.1
• Ferndale - 1.4
• Fieldbrook - 1.7
• Fields Landing - 1.1
• Fortuna - 1.4
• Garberville - 1.9
• Hoopa - 1.8
• Humboldt Hill - 1.1
• Hydesville - 1.4
• Indianola - 1.7
• Kep'el - 1.9
• Loleta - 1.1
• Manila - 1.1
• McKinleyville - 1.7
• Miranda - 1.5
• Myers Flat - 1.5
• Myrtletown - 1.1
• Orick - 1.8
• Phillipsville - 1.5
• Pine Hills - 1.1
• Redcrest - 1.4
• Redway - 1.9
• Rio Dell - 1.4
• Samoa - 1.1
• Scotia - 1.4
• Shelter Cove - 1.5
• Trinidad - 1.6
• Wautec - 1.9
• Weitchpec - 1.9
• Weott - 1.6
• Westhaven-Moonstone - 1.7
• Willow Creek - 1.8