Portland woke Monday to shallow fog and temperatures around 47 degrees, but the quiet start will not last. Rain is expected to move in before lunch, with showers becoming likely by midday and the afternoon turning damp, breezy, and gray.
Rain Arrives Before Lunch
Showers are expected to begin around 10 a.m. Monday at Portland airport, followed by increasingly steady showers through the afternoon. The high should reach about 59 degrees before temperatures slip into the upper 50s, with southerly inland winds generally below 10 knots and isolated inland gusts up to 20 knots (about 23 mph).
The National Weather Service in Portland expects roughly a quarter-inch to a half-inch of rain along the I-5 corridor, with heavier bursts possible. That could mean ponding on roads and in low-lying areas, especially where fallen leaves clog storm drains, according to the National Weather Service.
Tuesday Stays Cloudy Before A Warm Break
Monday night brings another chance of showers and a low near 51 degrees. Tuesday is expected to bring little to no rain south of US-20, with less than 0.2 inch for interior lowlands south of Longview.
Wednesday, Veterans Day, looks like the week’s brief weather reprieve: mostly cloudy, dry, and unusually mild, with a high in the low to mid-60s. Thursday is a transition day, mostly dry through the day, with a 20–40% shower chance along the coast; Portland reaches about 61.
Another Wet Stretch Builds Late Week
Rain chances rise again Thursday night, followed by wet weather from Friday through Sunday. Portland is expected to see rain each day, with breezier conditions returning.
The late-week pattern could bring repeated rounds of rain across the region, while the Oregon coast and higher terrain face the strongest winds and heaviest precipitation. For Portland, the practical takeaway is simple: enjoy Wednesday’s relative break, then keep the rain gear close.
