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Get the monthly weather forecast for Portland, OR, including daily high/low, historical averages, to help you plan ahead. Go Back Powerhouse cold front to unleash severe storms next week.
March Weather in Portland Oregon, United States. Daily high temperatures increase by 5°F, from 54°F to 59°F, rarely falling below 46°F or exceeding 70°F. Daily low temperatures increase by 3°F, from 39°F to 42°F, rarely falling below 31°F or exceeding 48°F.
Temperature. The unfolding of March shows an average high-temperature of a cool 52.5°F (11.4°C), indicating a slight variance from February 's 47.5°F (8.6°C). In Portland, the March nights cool down to an average low of 38.1°F (3.4°C). Humidity. In March, the average relative humidity is 81%. Rainfall.
In March, Portland generally has moderate temperatures and high rainfall. Anticipate daytime temperatures around 13°C , while night temperatures can drop to 4°C . Portland in March usually receives high rainfall, averaging around 125 mm for the month.
Mar 1, 2022 · The average temperature in Portland in March for a typical day ranges from a high of 53°F (12°C) to a low of 37°F (3°C). Some would describe it as cold with a gentle breeze. For comparison, the hottest month in Portland, August, has days with highs of 84°F (29°C) and lows of 54°F (12°C).
75 % March average humidity. The relative humidity in Portland during March usually peaks at 87 percent in the morning then drops to 59 percent by mid afternoon. Wind. 8.3 mph. March wind speed average. 13.4 kph. March is a little windier than most other months in Portland. Storms.
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering. The hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight. © OpenStreetMap contributors. Compare Portland to another city: Map. Cloud Cover in March 2021 in Portland. Spring 2021. Link.