Mendocino County, CA: Current UV Index and Hourly Forecast

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As of 12:55 PM PDT on July 15, 2025, out of 23 cities in Mendocino County, CA in our database, 15 cities (65%) have a UV Index reading of Very High, while 8 cities (35%) have a UV Index reading of High. The city with the highest UV Index reading right now is Potter Valley, CA with a reading of 9.3.

Over the next 24 hours, the highest UV Index reading in Mendocino County, CA is expected to be 10.3 in Potter Valley between 1:00 PM - 2:00 PM PDT today.

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Current UV Index in Cities in Mendocino County, CA

• Albion - 6.3
• Anchor Bay - 8
• Boonville - 9
• Brooktrails - 8.9
• Calpella - 9
• Caspar - 6.3
• Cleone - 7.1
• Comptche - 8.8
• Covelo - 9.1
• Fort Bragg - 7.1
• Hopland - 9.2
• Laytonville - 9
• Leggett - 8.3
• Little River - 6.3
• Manchester - 6.2
• Mendocino - 6.3
• Philo - 8.9
• Point Arena - 6.2
• Potter Valley - 9.3
• Redwood Valley - 9
• Talmage - 9
• Ukiah - 9
• Willits - 9.1