With early signs of spring already popping up around Portland, we took a look back at the winter we just lived through and compared it with the previous 89 winters on record.
All of the data in this project comes from NOAA daily climate summaries recorded at the weather station at Portland International Airport. The numbers use daily mean temperature — the average of each day’s high and low — from Dec. 1 to Feb. 28. Across the full dataset, the typical winter day during that window averages about 41 degrees. In these charts, “normal” means the long-term average for that specific calendar day, not one flat number.
If this winter felt warm, you weren’t imagining it. Portland saw no significant snow or ice and no major winter storms that seriously disrupted life in the region. Based on daily mean temperatures from Dec. 1 to Feb. 28 at PDX, winter 2025-26 ranks as the seventh warmest so far. March temperatures are not included…