Weather in Cupertino, CA
About Cupertino, CA
Sunnyvale () is a city located in Santa Clara County, California, in Silicon Valley. As of the 2010 United States Census, the population was 140,095. Sunnyvale is the seventh most populous city in the San Francisco Bay Area and one of the major cities comprising Silicon Valley. It is bordered by portions of San Jose to the north, Moffett Federal Airfield to the northwest, Mountain View to the northwest, Los Altos to the southwest, Cupertino to the south, and Santa Clara to the east. It lies along the historic El Camino Real and Highway 101.