Sonoma County, CA: Current UV Index and Hourly Forecast

As of 1:56 PM PDT on September 15, 2025, out of 38 cities in Sonoma County, CA in our database, 31 cities (82%) have a UV Index reading of Very High, while 7 cities (18%) have a UV Index reading of High. The city with the highest UV Index reading right now is Kenwood, CA with a reading of 7.9.

Over the next 24 hours, the highest UV Index reading in Sonoma County, CA is expected to be 7.9 in Kenwood between 1:00 PM - 2:00 PM PDT today.

Search Cities in Sonoma County, CA

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Sonoma County, CA as of 1:56 PM PDT, September 15, 2025

Current UV Index in Cities in Sonoma County, CA

1:56 PM PDT, September 15, 2025