Charles M. Schulz - Sonoma County Airport UV IndexUnited StatesCASonoma CountyCharles M. Schulz - Sonoma County Airport1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAACharles M. Schulz - Sonoma County Airport UV forecast issued yesterday at 11:18 am. Next forecast at approx. 11:18 am.Get WillyWeather+ to remove ads