Sonoma County, CA: Current UV Index and Hourly Forecast

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As of 3:33 AM PDT on March 14, 2026, all 38 cities in Sonoma County, CA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Sonoma County, CA is expected to be 6 in Petaluma between 1:00 PM - 2:00 PM PDT today.

Search Cities in Sonoma County, CA

Current UV Index in Cities in Sonoma County, CA

• Bloomfield - 0
• Bodega - 0
• Bodega Bay - 0
• Boyes Hot Springs - 0
• Carmet - 0
• Cazadero - 0
• Cloverdale - 0
• Cotati - 0
• El Verano - 0
• Eldridge - 0
• Fetters Hot Springs-Agua Caliente - 0
• Forestville - 0
• Fulton - 0
• Geyserville - 0
• Glen Ellen - 0
• Graton - 0
• Guerneville - 0
• Healdsburg - 0
• Jenner - 0
• Kenwood - 0
• Larkfield-Wikiup - 0
• Monte Rio - 0
• Occidental - 0
• Penngrove - 0
• Petaluma - 0
• Petaluma Center - 0
• Rohnert Park - 0
• Salmon Creek - 0
• Santa Rosa - 0
• Sea Ranch - 0
• Sebastopol - 0
• Sereno del Mar - 0
• Sonoma - 0
• Sonoma State University - 0
• Temelec - 0
• Timber Cove - 0
• Valley Ford - 0
• Windsor - 0