Oregon – Gray clouds hang low over Portland this morning, and while roads stay mostly dry now, a wetter pattern is already lining up, with steady rain set to arrive by Friday afternoon. The shift will be noticeable, especially during the evening commute.
According to the National Weather Service in Portland, today stays mostly cloudy with highs near 69°F. Rain chances begin to develop late tonight into early Thursday, increasing to 30–40% before ramping up to around 70% by Friday. Rain becomes more widespread by midday Friday and continues into the evening.
Across the metro area, including Beaverton, Gresham, and Vancouver, Washington, conditions remain mild through Thursday with highs in the mid-60s. However, by Friday, consistent rainfall will lead to slick roads and reduced visibility, especially during peak travel hours.
Drivers along I-5, I-84, and U.S. 26 should prepare for changing conditions by Friday afternoon. Wet pavement and spray from vehicles will slow traffic. Plan extra time and keep headlights on during rain. Morning commutes stay manageable, but conditions may deteriorate quickly later in the day.
Looking ahead, rain lingers into early Saturday before tapering to scattered showers. Temperatures drop into the mid-50s, signaling a cooler weekend. Skies clear by Sunday, bringing a return to dry spring weather.
Five Day Outlook for Portland, Oregon:
Thursday: Chance of rain, high near 65°F.
Friday: Rain likely, high near 63°F.
Saturday: Slight chance of rain, high near 55°F.
Sunday: Sunny, high near 57°F.
Monday: Slight chance of rain, high near 58°F.
