Portland shifts to wet season with rain, wind and high surf warnings
The gist
Portland's dry October gives way to rain through mid-November, with up to an inch in the metro.
The wetter pattern could shrink the city's rain deficit.
How it unfolded
- Nov 2, 2026Portland starts Sunday with dense fog and sunny skies by midday, with light rain arriving Wednesday.
- Nov 4, 2026A sunny Tuesday gives way to fog, rain and a wetter weekend in the forecast.
- Nov 5, 2026Clouds decrease and seasonal temperatures return to western Oregon and southwest Washington, with sun breaks warming the Willamette Valley to the mid-to-upper 50s.
Key terms
- atmospheric river
- A narrow corridor of concentrated moisture in the atmosphere that transports water vapor.
- water year
- A 12-month period used in hydrology for measuring precipitation totals, starting differently from the calendar year.
- high surf warning
- A National Weather Service alert issued when large breaking waves are expected to create hazardous surf conditions along the coast.
Source: Wikipedia