| Name | LOCATION | Duration | Remarks | |||||||||
| The Naval Observatory was never an official weather site for Washington | 24th & E Sts., NW | July 1, 1842 - end of 1892 | ||||||||||
| Current Naval Observatory | Mass. Ave. NW | Began on 09-01-1891 | Data through 1902 | |||||||||
| U. S. Senate on Capitol Hill | 07 1, 1838 - 06 30, 1842. | |||||||||||
| Start of the Weather Service | 1719 G St., N.W. | 11-01-1870 - 08-14-1888 | ||||||||||
| 1744 G St., N.W. | 08-15-1888 - 03-21-1889 | |||||||||||
| 2416 M St. N.W. | 03-22-1889 - 06-30-1941 | |||||||||||
| The City Office, still in DC | 2416 M St. N.W. | 06-30-1941 - 03-04-1942 | ||||||||||
| The City Office, still in DC - City readings were here | 2400 M St., N.W. | 03-05-1942 - 01-01-1966 | Closed | |||||||||
| National Airport | 6/16/1941 | Started | ||||||||||
| National Airport & considered the official Washington D.C. wx. station | 7-1-1941 - Present | Official Wash. Stat. | ||||||||||
| Other first order in the Washington, D.C. area | ||||||||||||
| Name | LOCATION | Duration | Remarks | |||||||||
| Silver Hill, Md | Branch Ave. | 10-1-1950 - 12-31-1953 | ||||||||||
| Forecast Office site at Sterling, Va. | 1-10-1961 - 10-18-1965 | |||||||||||
| Dulles Airport | 11-16-1962 - Present | |||||||||||
| BWI | 7-23-1950 - Present | |||||||||||
| Baltimore's Airport location | Essex | Ended 07-22-1950 | ||||||||||
| Custom House | Began 01-01-1871 | |||||||||||