San Francisco Bay - San Mateo Bridge (West End) UV IndexUnited StatesCASan Mateo CountySan Francisco Bay - San Mateo Bridge (West End)1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASan Francisco Bay - San Mateo Bridge (West End) UV forecast issued yesterday at 11:17 am. Next forecast at approx. 11:17 am.Get WillyWeather+ to remove ads