Portland, OR – A late-season heatwave will grip Portland this week, with temperatures expected to spike Tuesday. Residents should brace for highs reaching 91°F, particularly in interior valleys. The unseasonal warmth won’t last long, as a cold front will sweep through the region mid-week, bringing a sharp drop in temperatures.
According to the National Weather Service, temperatures will plummet by Wednesday, with highs dropping to the low 70s and a chance of rain. This will bring cooler, fall-like conditions, with highs expected to hover around 72°F for the remainder of the week.
Portlanders should take precautions during Tuesday’s heat, especially those traveling on highways like I-5 or I-205, where the heat may affect driving conditions. Stay hydrated and avoid extended time outdoors during peak heat hours.
By Friday, cooler temperatures will settle in, with a mix of sunshine and clouds. The weekend is shaping up to be pleasant, with daytime highs in the lower 70s, making it perfect for outdoor activities.
Keep an eye on the latest weather updates and plan accordingly, as the dramatic shift in weather could affect daily plans.