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This prevailing pattern breaks down occasionally when dense cold air flows down the Columbia Gorge into the Willamette Valley and lowers temperatures more than usual from Portland to Eugene. [7] Oregon has a wide range of temperatures, though the extremes are rare. [3] The highest was recorded on July 29, 1898, in Hermiston, Oregon, and again ...
The Willamette Valley’s largest cities posted their hottest July on record in 2024, according to data from the National Weather Service in Portland.. Salem’s average temperature was 74.4, a ...
2019 was Earth's second-warmest year on record, which goes back to 1880. It was the 43rd consecutive year of above-average temperatures. The year was 0.95 °C (1.71 °F) above the 20th century average, and 0.07 °C (0.04 °F) behind 2016, which was the warmest year on record.
This is a list of countries and sovereign states by temperature. Average yearly temperature is calculated by averaging the minimum and maximum daily temperatures in the country, averaged for the years 1991 – 2020, from World Bank Group , derived from raw gridded climatologies from the Climatic Research Unit .
Get the Portland, OR local weather forecast by the hour and the next 10 days.
The lowest overnight temperature ever recorded was −3 °F (−19 °C), [88] on February 2, 1950, [89] while the lowest daytime high temperature ever recorded was 14 °F (−10 °C) on December 30, 1968. [89] The average window in which freezing temperatures may occur is between November 15 and March 19, allowing a growing season of 240 days. [89]
The 2021 Western North America heat wave was an extreme heat wave that affected much of Western North America from late June through mid-July 2021. [5] The heat wave affected Northern California, Idaho, Western Nevada, Oregon, and Washington in the United States, as well as British Columbia, and in its latter phase, Alberta, Manitoba, the Northwest Territories, Saskatchewan, and Yukon, all in ...
On average, the wettest month is typically November or December; the driest, July. In the summer months, average highs in cities like Seattle and Portland are from 70 to 75 °F (21 to 26 °C) with lows from 50 to 59 °F (10 to 15 °C), while in winter daily highs are from 40 to 45 °F (4 to 9 °C) and overnight lows from 30 to 38 °F (−1 to 4 ...