Portland

Portland Braces for Showery Week with Thunderstorm Potential, Warmer Weekend Ahead

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Published on March 30, 2025
Portland Braces for Showery Week with Thunderstorm Potential, Warmer Weekend AheadSource: Google Street View

Portland residents should prepare to unfurl their umbrellas as a week of intermittent showers is poised to dampen the city streets. Today's forecast anticipates showers arriving in the afternoon with an 80% chance of precipitation, according to the National Weather Service. The mercury is set to climb to a high near 63 degrees while east northeast winds may gust up to 24 mph. Commuters should expect new precipitation amounts ranging between a tenth and a quarter of an inch.

Tonight's outlook suggests that showers are likely before 10 p.m., potentially creating slick roadways. Despite the showers, temperatures will remain manageable with lows around 43 degrees, and south winds could occasionally barrel through at speeds up to 25 mph. The chance of precipitation dips slightly to 60% as evening approaches. The NWS forecasts new precipitation amounts to be less than a tenth of an inch—hardly enough to deter the evening's errands or outings.

Monday's weather patterns won't offer much reprieve, with frequent showers and the possibility of a thunderstorm after 11 a.m. It's advisable to be especially cautious during commutes; high winds and heavy rainfall can quickly impair visibility. By midday, temperatures are expected to peak near 55 degrees. The NWS warns of a 90% chance of precipitation, urging Portlanders to remain alert to rapidly changing conditions and the possibility of higher rainfall amounts in the event of thunderstorms.

The unsettled pattern persists into Monday night, bringing further likelihood of showers and thunderstorms before 11 p.m. Those venturing out at night should brace against the damp with lows hovering around 41 degrees and consider the added chill from a south southeast wind gusting as high as 21 mph. "Chance of precipitation is 70%," the weather service predicts, highlighting the persistent rhythm of rainfall as the week begins to unfold. Portlanders might witness new precipitation amounts accumulating between a tenth and quarter of an inch, except perhaps even more if caught beneath a thunderclap.

There's little indication of sunshine breaking through the clouds on Tuesday, with the NWS citing a 50 percent chance of showers and a peak temperature near 58 degrees. The mist could continue into Tuesday evening, with lows around 42 degrees. Midweek forecasts don't fare much better, as additional showers with an 80% chance of precipitation are expected on Wednesday, alongside a nosedive in snow levels during the night, creating a wintery touch on elevated grounds.

Portland's residents can look forward to some reprieve later in the week, with the chance of showers decreasing by Thursday and a return to clearer skies. By Friday, the city is set to enjoy sunny conditions with highs soaring near 65, and the pleasant weather stretch is expected to endure through Saturday, topping near 70 degrees. A brief respite from the rain arrives just in time for weekend plans.