Winchester, San Jose Row shopping centers. Winchester, San Jose The Winchester area of San Jose, California gains its name from early resident Sarah Lockwood Winchester, a Connecticut native and heiress to fifty percent ownership of the Winchester Repeating Arms Company, who built the famous Winchester Mystery House. Located between San Tomas Expressway and State Route 17/Interstate 880, and between the city's borders with Santa Clara and Campbell, centered on Winchester Blvd. Winchester is one of the West Valley neighborhoods, with West San Jose to the west and Burbank and the Rose Garden to the east. It is the home to the Westfield Valley
San Jose, California expanse of the South Bay; and the rural Coyote Valley, to the city's extreme southern fringe. San Jose, like most of the Bay Area, has a Mediterranean climate (Köppen "Csb"). San Jose has an average of 301 days of sunshine and an annual mean temperature of . It lies inland, surrounded on three sides by mountains, and does not front the Pacific Ocean like San Francisco. As a result, the city is somewhat more sheltered from rain, giving it a semiarid feel with a mean annual rainfall of , compared to some other parts of the Bay Area, which can