Sonoma County, CA: Current UV Index and Hourly Forecast

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As of 2:14 PM PDT on May 14, 2025, out of 38 cities in Sonoma County, CA in our database, 31 cities (82%) have a UV Index reading of High, while 7 cities (18%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Sonoma, CA with a reading of 7.5.

Over the next 24 hours, the highest UV Index reading in Sonoma County, CA is expected to be 8.7 in Sonoma between 1:00 PM - 2:00 PM PDT tomorrow.

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Current UV Index in Cities in Sonoma County, CA

• Bloomfield - 7.1
• Bodega - 6.7
• Bodega Bay - 6.7
• Boyes Hot Springs - 7.5
• Carmet - 6.7
• Cazadero - 6.5
• Cloverdale - 6.7
• Cotati - 7.1
• El Verano - 7.5
• Eldridge - 7.5
• Fetters Hot Springs-Agua Caliente - 7.5
• Forestville - 6.5
• Fulton - 7.1
• Geyserville - 6.7
• Glen Ellen - 7.5
• Graton - 7.1
• Guerneville - 6.5
• Healdsburg - 7.1
• Jenner - 6.5
• Kenwood - 7.4
• Larkfield-Wikiup - 7.1
• Monte Rio - 6.5
• Occidental - 6.5
• Penngrove - 7.1
• Petaluma - 7.1
• Petaluma Center - 7.1
• Rohnert Park - 7.1
• Salmon Creek - 6.7
• Santa Rosa - 7.1
• Sea Ranch - 6.5
• Sebastopol - 7.1
• Sereno del Mar - 6.5
• Sonoma - 7.5
• Sonoma State University - 7.1
• Temelec - 7.5
• Timber Cove - 6
• Valley Ford - 6.7
• Windsor - 7.1