Portland Forecast: Cooler Temperatures Expected Tuesday with Chance of Light Showers
Portland will see cooler temperatures on Tuesday, with highs just under 70 degrees. While light showers are possible, especially in surrounding mountain areas, the I-5 corridor is expected to remain mostly dry.
Portland, OR, September 14, 2026 —
Residents of Portland can anticipate a noticeable shift in temperatures on Tuesday, as the region prepares for cooler weather. Highs are forecast to remain just under the 70-degree mark, offering a break from warmer conditions.
While the immediate I-5 corridor is projected to experience mostly dry conditions, there is a possibility of light showers. These are particularly expected to affect the surrounding mountain areas. The specific timing and intensity of any precipitation remain subject to atmospheric conditions.
Meteorologists are closely monitoring the weather patterns that will influence Tuesday’s forecast. The cooling trend is a notable change from recent weather, and further updates may be provided as the day approaches. Residents are advised to check local forecasts for the most current information regarding temperature and precipitation expectations.
Story summarized from the original created by Camila Orti on www.kptv.com, see more information here.
