Mendocino County, CA: Current UV Index and Hourly Forecast

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As of 10:51 AM PST on November 3, 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 Boonville, 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 3.9 in Boonville between 12:00 PM - 1:00 PM PST today.

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Current UV Index in Cities in Mendocino County, CA

• Albion - 2.1
• Anchor Bay - 2.2
• Boonville - 2.2
• Brooktrails - 2.1
• Calpella - 2.1
• Caspar - 2.1
• Cleone - 2
• Comptche - 2.1
• Covelo - 2.1
• Fort Bragg - 2
• Hopland - 2.2
• Laytonville - 2.1
• Leggett - 2
• Little River - 2.1
• Manchester - 2.1
• Mendocino - 2.1
• Philo - 2.2
• Point Arena - 2.1
• Potter Valley - 2.2
• Redwood Valley - 2.1
• Talmage - 2.1
• Ukiah - 2.1
• Willits - 2.1