Due to a ridge of high pressure that is predicted to develop across the Pacific Northwest and persist until the latter half of the week, Portland’s first full work week of 2025 begins Monday with a drying trend.
Until at least Thursday afternoon or Friday morning, the ridge is expected to dominate weather patterns, bringing dry skies and seasonally average temperatures into the first few days of January, according to the National Weather Service.
As of early Monday, the rain from the weekend has moved east of the Cascades, and it’s possible that some fog will start the morning commute in the metro region. As of 5:30 a.m., a brief examination of traffic cameras revealed no fog in the metro region.
Portland should see a largely sunny Monday with a high temperature of roughly 53 degrees once any fog or low clouds have cleared.
The forecast for the first part of the week is almost unchanged, with high temperatures in the upper 40s or low 50s and partly sunny skies on Tuesday and Wednesday.
The next major system that is expected to affect our region moves in later Thursday, but extended projections indicate that Thursday will be another dry day with largely sunny skies and a high of around 51. Rain and colder temperatures are predicted to accompany a succession of fronts that are predicted to travel southward from the Alaskan Panhandle.
The majority of forecast models concur that rain will return to western Oregon by Friday, while the exact timing of the fronts is still unknown.
How is the mountain snowpack in the Pacific Northwest beginning in 2025? In response, central and south central Oregon are well above normal.Swu45XG7J6 can be found on Twitter.
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