Southern California, and all of California, are in both the Northern and Western Hemispheres.
The hemisphere that is south of California is the Southern Hemisphere.
Northern hemsphere
The Southern Hemisphere is south of California.
Antarctica and Australia.
California is in the northern hemisphere, as it is North of the Equator. And is in the Western Hemisphere, as it is to the West of the Prime Meridian.
To make a long story short, yes.
California is located in the northern hemisphere.
California is in the northern hemisphere :P
Western Hemisphere
The hemisphere south of where I live in would be the Southern Hemisphere.
Baja California is in the Western Hemisphere.
the hemisphere south of Oklahoma is the southern hemisphere