Portland/ Weather & Environment

Portland Basks in ‘False Fall’ Weekend Before Tuesday Rain Crashes Back In

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Published on September 26, 2026
Portland Basks in ‘False Fall’ Weekend Before Tuesday Rain Crashes Back InSource: Google Street View

Portland is waking to fog and a chilly 48 degrees Saturday morning, but the gray start should give way to a mostly sunny afternoon with a high near 65. Patchy fog is expected to lift before 8 a.m., setting up a dry weekend that will feel more like early fall than lingering summer.

Fog Clears, Sunshine Takes Over

Saturday night will turn mostly cloudy, with temperatures dipping to around 49 degrees. Sunday looks like the weekend winner, with sunny skies, a high near 70, and light north-northwest winds around 6 mph.

Monday Stays Mild Before Rain Returns

Monday should remain mostly sunny and cool, topping out near 68 degrees. A slight chance of light rain arrives after 5 a.m. Tuesday, followed by a mostly cloudy day with a 26% chance of rain and a high near 66, according to the National Weather Service in Portland.

Coastal Winds Could Complicate Weekend Plans

For the Portland metro area, much of the midweek period may stay dry or see only light rain, while better rain chances develop along the north Oregon Coast, Coast Range and southwest Washington Cascades. Small Craft Advisories are posted for parts of the coastal waters Saturday afternoon into early Sunday, so beach and boating plans may be bumpier than the sunny forecast inland suggests.

A Quick Reset After Friday’s Storm

The outlook is a substantial shift from Hoodline’s earlier forecast, which focused on widespread rain and gusty winds. With that system moving out, Portland gets several calmer days before a weaker front brings rain chances back to the forecast Tuesday.