Portland, Ore. – Drivers in Portland could encounter slick roads early Wednesday as thunderstorms and scattered showers move across the metro area. The National Weather Service warns of a 30% chance of storms until early afternoon, raising concerns for commuters on I-5 and I-84. Officials urge motorists to slow down, keep headlights on, and prepare for reduced visibility during downpours.
According to the National Weather Service, skies will gradually clear by late Wednesday with a high near 88 degrees. Overnight lows fall into the mid-60s, offering a brief break before hotter conditions settle in by Thursday. Sunny skies and highs pushing near 90 will dominate the rest of the week.
Thursday and Friday bring classic late-August heat, with highs close to 89 and light winds across the Willamette Valley. By the weekend, Portland will hold in the low-80s with mostly sunny skies, an ideal setup for outdoor events and early Labor Day travel. While a slight chance of showers lingers Friday night, no major disruptions are expected heading into the holiday.
Residents planning barbecues or road trips should stay hydrated, use sunscreen, and keep an eye on shifting conditions. The warm stretch will continue through early next week, making for a hot start to September.
Five-Day Forecast for Portland, Oregon
- Thursday: Sunny, high near 89, low around 61.
- Friday: Sunny, high near 89, slight chance of showers late, low 62.
- Saturday: Mostly sunny, high 83, low 61.
- Sunday: Sunny, high 82, low 60.
- Labor Day (Monday): Sunny, high 84, low 62.




