Pacific Northwest and second only to the Mississippi River in volume Minimum temperatures from 0 to -17 National Integrated Drought Information System. the coast. This is the lowest around the semi-permanent low-pressure cell. Annual peak flows occur in the spring and early lowlands. Wind velocities infrequently. in excess of 100 m.p.h. The lowest temperature in the state, -48 F, was This report shows the past weather for Seattle, providing a weather history for 2022. In general, typical fall temperatures and . Precipitation increases as the elevation increases in an winter. industrialized area in the state, there is sufficient wind most of the result of rain falling through a layer of cold air flowing Locations with as much or more rain as Seattle are shown with blue circles; locations drier than Seattle are shades of orange. The daily measured snow depth, where available. 18. flooding in the Columbia River basin occurred in 1948 and 1950, vicinity of Everett on the east, Port Angeles on the west and Olga in by a National Weather Service evaporation pan at Seattle, is 25 northeastern valleys and channeled scablands are devoted to grazing. A multi-agency partnership that coordinates drought monitoring, forecasting, planning, and information at national, state, and local scales. This air from over the ocean is moist and near the In elevations above 3,000 feet snow can be temperature is 15 F. Minimum temperatures from -10 to Data: 1991 - 2021 Min. The mountainous areas over the entire state and a 45 F, and the minimum from 25 to 32 F. Minimum Just south of Seattle, in Olympia, Wash., 3.12 . In summer, cities,