Portland Forecasted for Warm, Sunny End to Summer, Cooler Start to Fall
Portland, OR is forecast to have a warm and sunny final weekend of summer, with afternoons reaching the upper 70s to low 80s. The start of fall next week is expected to be cooler and dry, with temperatures in the…
Portland, OR, September 19, 2026 —
Portland residents can expect a warm and sunny farewell to the summer season this weekend. The forecast indicates that the city will experience temperatures reaching the upper 70s to low 80s during the afternoons on Saturday and Sunday. This pleasant weather marks the final days of summer before the transition to autumn next week.
Following the warm weekend, the beginning of fall is predicted to bring cooler conditions to the region. Forecasts for early next week suggest daytime temperatures will settle in the low to mid 70s. The outlook also indicates a dry period, with limited chances of rain as the new season begins.
The shift from late summer heat to a cooler, dry early fall pattern is typical for the Pacific Northwest. While this weekend offers a final opportunity for typical summer outdoor activities, the upcoming week’s forecast suggests a more moderate climate. Specific details regarding precipitation amounts or humidity levels for the upcoming week were not provided in the forecast summary.
As the season changes, Portland’s weather is set to transition from the higher temperatures of late August and early September to more temperate conditions. The extended period of warm, sunny weather is anticipated to conclude by Sunday evening, paving the way for a cooler start to the work week.
Story summarized from the original created by Michael Fecca on www.kptv.com, see more information here.
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