Oakley is a city in Contra Costa County, California, United States. The population was 35,432 at the 2010 U.S. Census. Oakley is part of the East Contra Costa Bicycle Plan, which has existing facilities in Oakley as well as plans for further expansion.
The Oakley areas offers access to the Delta de Anza Regional Trail. According to reports provided by CNN Oakley experiences 21.16 inches of annual rainfall with high temperature in July of 96.0 F and low temperature in January of 40.0 F. Oakley experiences 52% clear days throughout the year.
The City of Oakley is located in the eastern region of Contra Costa County and is within the nine-county San Francisco Bay Area. Oakley’s west border is situated at the intersection of Highway 4 and Highway 160, which provide access to San Francisco, San Jose, Sacramento, and the Central Valley. To the south is the city of Brentwood and to the east is the Central Valley. Oakley is a Delta community with the San Joaquin River on the northern border. The southwestern skyline is dominated by Mt. Diablo. This isolated 3,849 feet peak is visible from most of the San Francisco Bay Area and much of northern California.