Eugene, Ore. – A soft layer of morning mist blankets the Willamette Valley, a calm pause before Oregon’s next stretch of wet fall weather. Monday begins serene, with dew on fields and light fog around Highway 99, but the week ahead carries change — the kind familiar to every Oregonian once October nears its close.
According to the National Weather Service in Portland, dry and sunny skies will dominate through Wednesday, offering two more pleasant afternoons with highs near the mid-60s. Winds stay light, and valleys will wake to crisp, foggy mornings before the sun burns through by mid-morning. For commuters and outdoor workers, conditions remain ideal early this week — but a shift is already forming offshore.
By late Wednesday night, moisture from the Pacific will begin pushing inland. Scattered showers are expected by early Thursday, gradually building into a steady rain by Friday. Temperatures will remain mild, though models suggest the weekend may trend cooler, with highs dipping into the upper 50s by Saturday and Sunday. The system looks to linger, bringing gray skies, damp streets, and the classic rhythm of Oregon fall rain.
Residents planning travel across the Coast Range or north toward Salem and Portland should watch for wet roads and reduced visibility late in the week. For now, the Willamette Valley enjoys one last stretch of calm — a brief reprieve before umbrellas reclaim their permanent spot by the door.
Five-Day Forecast for Eugene, OR:
Mon: 63/40 – Sunny and calm; cool morning fog.
Tue: 64/44 – Partly sunny; light winds.
Wed: 68/47 – Increasing clouds late; mild.
Thu: 69/53 – Showers develop; breezy at times.
Fri: 60/50 – Rain likely; cooler trend begins.