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Weather Washington

Actual weather in Washington and weather forecast Washington for 14 days. Weather forecast Washington for January and February.

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Washington actual weather

C
32 F
 weather
local time: 12:44 22.01.2019
timezone: UTC/GMT -4 hr
wind: m/s
pressure:, steady hPa
visibility:0 km
humidity: %
clouds: %
precipitation: mm

Washington weather forecast for 14 days

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Weather in Washington last 14 days

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Washington longterm forecast

Washington's climate varies greatly from west to east. An oceanic climate (also called "west coast marine climate") predominates in western Washington, and a much drier semi-arid climate prevails east of the Cascade Range. Major factors determining Washington's climate include the large semi-permanent high pressure and low pressure systems of the north Pacific Ocean, the continental air masses of North America, and the Olympic and Cascade mountains. In the spring and summer, a high pressure anticyclone system dominates the north Pacific Ocean, causing air to spiral out in a clockwise fashion.

For Washington this means prevailing winds from the northwest bringing relatively cool air and a predictably dry season. In the autumn and winter, a low pressure cyclone system takes over in the north Pacific Ocean, with air spiraling inward in a counter-clockwise fashion. This causes Washington's prevailing winds to come from the southwest, bringing relatively warm and moist air masses and a predictably wet season. The term Pineapple Express is used to describe the extreme form of this wet season pattern.

The average annual temperature ranges from 51 F (11 C) on the Pacific coast to 40 F (4 C) in the northeast. The lowest temperature recorded in the state was −48 F (−44 C) in Winthrop and Mazama. The highest recorded temperature in the state was 118 F (48 C) at Ice Harbor Dam. Both records were set east of the Cascades. Western Washington is known for its mild climate, considerable fog, frequent cloud cover and long-lasting drizzles in the winter, and sunny and dry summers. The western region occasionally experiences extreme climate. Arctic cold fronts in the winter and heat waves in the summer are not uncommon. In the Western region, temperatures have reached as high as 112 F (44 C) in Marietta and as low as −20 F (−29 C) in Longview.

source: wikipedia / Washington weather

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weather in Washington, DC, long term forecast for Washington, DC