If you didn’t put an air conditioner and a new down coat on your holiday list, you probably should have. “It felt impactful because we had a hot, dry summer.” “It wasn’t a record, but it was close,” Kranz says. 22 and 23, and didn’t rise above 25 on either of those days. The temperature in Portland plummeted to 20 degrees Dec. This year, the icy breakout was large enough to send dense, frigid air howling out of the Columbia Gorge. The Pacific Northwest is often insulated from such Arctic intrusions by the Rocky Mountains, which shunt the cold eastward. Such outbreaks have happened for the past three years, according to the Washington Post. The coldest periods will be in mid-November, late December, and. The Arctic is warming faster than anywhere else, and the shift is setting up patterns that can allow frigid air to break out of northern latitudes and barrel southward with greater frequency, according to a 2021 research paper in the journal Science. Winter temperatures will be colder than normal, with below-normal precipitation and snowfall. Warm air holds more moisture, too, so when it does rain, it tends to pour, experts say.Įven December’s arctic blast might have something to do with a warming world. brings you the most accurate monthly weather forecast for Portland, OR, United States with average/record and high/low temperatures, precipitation and more. “We can safely say that the records in general point to a warmer, drier climate,” Kranz says. 10 Day Weather - Portland, OR As of 5:13 pm PST Tonight -/ 39 11 Sun 19 Night 39 11 ESE 3 mph Cloudy early with some clearing expected late. It’s getting hotter and drier, even in the moss-covered Northwest. The broader trends are clear, though, he says. Meteorologists are loath to attribute any single weather event to climate change, and Kranz is no different.
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