Portland

Portland Welcomes December with Mild Temperatures and Potential Showers, NWS Reports

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Published on November 29, 2025
Portland Welcomes December with Mild Temperatures and Potential Showers, NWS ReportsSource: Unsplash/Sam Schooler

Portland residents can expect a mix of clouds and sun with a slight chance of showers as the region heads into the final month of the year. Current conditions show clear skies and cool temperatures around 46 degrees Fahrenheit, with a dew point near 34 degrees, contributing to a crisp feel in the air, according to the National Weather Service.

The forecast anticipates partly sunny skies today, with a high hovering near the 50-degree mark. The east wind remains mild at 3 to 7 mph. Tonight's chances of rain sit modestly at 20 percent before 10 p.m., making for a mostly cloudy evening and low temperatures around 39 degrees.

For those planning their Sunday outings, the NWS suggests mostly sunny conditions with highs again around 50 degrees and northeast winds at a gentle 3 to 5 mph. As nighttime approaches, areas of frost may develop after 1 a.m., under partly cloudy skies with lows dipping to around 36 degrees and calm winds continuing.

Heading into Monday, the day starts with areas of frost before 9 a.m. and gives way to partly sunny skies, with daytime temperatures peaking near 48 degrees. The chance of rain increases slightly in the evening to 10 percent after 4 p.m., and further into the night to 40 percent, mainly after 10 p.m., as per the NWS. The low is predicted to be around 41 degrees, as the clouds hold firm.

The week progresses with a consistent theme: a 50 percent chance of rain on Tuesday, accompanied by patchy fog and mostly cloudy skies, while temperatures stay around the 50-degree mark. This pattern extends through Friday, with chances of rain and patchy fog. For a detailed look at the upcoming weather, Portlanders can visit NWS Portland, OR website.