Portland

Portland to Experience Mild Temperature Fluctuations and Scattered Showers Through Holiday Weekend

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Published on May 25, 2025
Portland to Experience Mild Temperature Fluctuations and Scattered Showers Through Holiday WeekendSource: Unsplash / {Yousef Espanioly}

Portland residents can expect a mild temperature swing and some scattered showers as we move through the holiday weekend and into next week, according to the National Weather Service's latest forecast. Today, the skies over Portland will be partially sunny with calm winds in the morning, shifting to a southern breeze at about 6 mph. Temperatures are projected to reach a comfortable high near 74 degrees.

Come tonight, there's a 40 percent chance of rain setting in after 1:00 a.m., with mostly cloudy conditions prevailing and temperatures dipping to a low around 55 degrees. The Memorial Day forecast hints at a continued possibility of morning showers with a 30 percent chance before 11:00 a.m. Following the potential morning dampness, partly sunny skies are anticipated, and the temperature is expected to rise to a high near 71 degrees with light south-southwest winds.

The remainder of the week looks promising for those wishing to soak up a bit more sun. The NWS predicts that Tuesday will be mostly sunny with highs reaching near 81 degrees, with a calm wind turning northward in the afternoon. The upward trend in warmth stretches into Wednesday, where we're looking at full sunshine and temperatures soaring up to 89 degrees.

As the week progresses, the clear skies at night suggest chilly evenings, with an expected low around 58 degrees on Tuesday night. Portlanders should gear up for more sunny days ahead, with Thursday's temperature projected to be mostly sunny, hitting a high near 79 degrees. Clear skies continue into the weekend, with Friday and Saturday boasting highs near 85 and 88 degrees, respectively.