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Aug 26, 2017 · Climate and Average Weather Year Round in Portland Oregon, United States. In Portland, the summers are short, warm, dry, and mostly clear and the winters are very cold, wet, and overcast. Over the course of the year, the temperature typically varies from 36°F to 84°F and is rarely below 26°F or above 95°F.
Across Oregon, the wet season runs from November through March, when the jet stream is strongest in the Northern Hemisphere. Precipitation is less in the months between winter and summer: April through June in the spring and September and October in the fall.
Average annual temperatures for cities, towns, parks and lakes throughout Oregon are listed below in degrees Fahrenheit and Celsius. You can jump to a separate table for each region of the state: Oregon Coast, Willamette Valley, Cascade Mountains, Central Oregon and Eastern Oregon.
Average temperatures and precipitation amounts for more than 145 cities in Oregon. A climate chart for your city, indicating the monthly high temperatures and rainfall.
Climate information for Portland (Oregon) - weather averages in Celsius and Fahrenheit, millimeters and inches. With tips on the best time to visit.
Portland, Oregon - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
Currently: 55 °F. Passing clouds. (Weather station: Portland International Airport, USA). See more current weather. Annual Weather Averages Near Portland. Averages are for Portland International Airport, which is 7 miles from Portland. Based on weather reports collected during 1992–2021. Showing: Weather by CustomWeather, © 2024. Need some help?
