The National Weather Service Los Angeles is a local office of the National Weather Service responsible for monitoring weather conditions in Los Angeles, Ventura, Santa Barbara, and San Luis Obispo counties, as well as adjacent coastal waters out 60 nautical miles.

[2] The Signal Service established an office at Los Angeles in 1877, at the corner of Main and Commercial Streets, with the Weather Bureau assuming responsibility in 1890.

During the 1940s, the city office moved to the Los Angeles Civic Center district.

This satellite office was open until in 1997 when it was redesignated a NWS Contract Meteorological Observatory.

[3] A regional headquarters of the National Weather Service was located in Los Angeles from 1943 to 1949.