San Francisco Bay - San Mateo Bridge (East End) UV IndexUnited StatesCAAlameda CountySan Francisco Bay - San Mateo Bridge (East End)1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASan Francisco Bay - San Mateo Bridge (East End) UV forecast issued yesterday at 12:17 pm. Next forecast at approx. 12:17 pm.Get WillyWeather+ to remove ads