San Francisco Bay - San Francisquito Creek Entrance UV IndexUnited StatesCASanta Clara CountySan Francisco Bay - San Francisquito Creek Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASan Francisco Bay - San Francisquito Creek Entrance UV forecast issued yesterday at 10:05 pm. Next forecast at approx. 10:05 pm.Get WillyWeather+ to remove ads