Portland

Portland Braces for Showers and Potential Thunderstorms, Week Ahead Weather Forecast

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Published on March 24, 2025
Portland Braces for Showers and Potential Thunderstorms, Week Ahead Weather ForecastSource: Google Street View

The National Weather Service in Portland forecasts showers, cloudiness, and occasional thunderstorms this week. There is a 50 percent chance of showers today, with a high near 68 degrees. A south-southwest wind at 3 to 6 mph will persist, as reported by the National Weather Service.

Tonight will be mostly cloudy with lows around 50 degrees and calm winds. On Tuesday, expect partly sunny skies and a much warmer high near 76 degrees, with north-northeast winds picking up to 6 mph in the afternoon. By Wednesday, rain chances increase to 80 percent, with showers and possible thunderstorms after 11 a.m., bringing rainfall between a tenth and a quarter of an inch, "except higher amounts possible in thunderstorms," according to the National Weather Service. The high will be near 73 degrees, with mild south-southwest winds at 5 to 7 mph in the afternoon.

On Thursday and on Friday, Portland will see showers with highs of 56 and 54 degrees, respectively. Thursday night will be breezy with showers and lows around 45 degrees. Rain and high winds will continue through the week's end. On Saturday, there is a chance of showers with partly sunny conditions and a high near 58 degrees. On Sunday, the likelihood of showers increases, with mostly cloudy skies and a high of 57 degrees, as stated by the National Weather Service.