Sonoma County, CA: Current UV Index and Hourly Forecast

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As of 2:14 PM PST on February 1, 2026, all 38 cities in Sonoma County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Santa Rosa, CA with a reading of 1.8.

Over the next 24 hours, the highest UV Index reading in Sonoma County, CA is expected to be 2.6 in Bodega Bay between 12:00 PM - 1:00 PM PST tomorrow.

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Current UV Index in Cities in Sonoma County, CA

• Bloomfield - 1.8
• Bodega - 1.8
• Bodega Bay - 1.8
• Boyes Hot Springs - 1.8
• Carmet - 1.8
• Cazadero - 1.8
• Cloverdale - 1.8
• Cotati - 1.8
• El Verano - 1.8
• Eldridge - 1.8
• Fetters Hot Springs-Agua Caliente - 1.8
• Forestville - 1.8
• Fulton - 1.8
• Geyserville - 1.8
• Glen Ellen - 1.8
• Graton - 1.8
• Guerneville - 1.8
• Healdsburg - 1.8
• Jenner - 1.8
• Kenwood - 1.7
• Larkfield-Wikiup - 1.8
• Monte Rio - 1.8
• Occidental - 1.8
• Penngrove - 1.8
• Petaluma - 1.8
• Petaluma Center - 1.8
• Rohnert Park - 1.8
• Salmon Creek - 1.8
• Santa Rosa - 1.8
• Sea Ranch - 1.8
• Sebastopol - 1.8
• Sereno del Mar - 1.8
• Sonoma - 1.8
• Sonoma State University - 1.8
• Temelec - 1.8
• Timber Cove - 1.8
• Valley Ford - 1.8
• Windsor - 1.8