Overview

• On Monday and Tuesday, Portland stays sunny and warmer than normal, with highs in the mid to upper 70s and a Tuesday peak near 78, while parts of the southern Willamette Valley could touch 80.
• East-northeast breezes reach 10 to 15 mph with gusts up to 25 mph in Portland, with stronger gusts of 25 to 30 mph in the Cascades and 35 to 40 mph in the western Columbia River Gorge.
• Forecasters expect winds to ease overnight as the current thermal trough breaks down.
• A trough and slow-moving closed low are set to drop Portland’s highs by more than 10 degrees Wednesday to about 65 with mostly sunny skies.
• Rain chances rise late week, with a 30% chance Thursday and forecast odds increasing to 40–60% Friday and 70–85% Saturday, though timing and totals remain uncertain.