Portland, Oregon – Warm, dry weather will dominate much of Oregon heading into Memorial Day weekend, with Portland seeing highs near 72°F on Friday and even warmer conditions by Sunday.
According to the National Weather Service, Friday in Portland will be mostly sunny with a high around 72°F and light northwest wind. Roads, including I-5 and U.S. 26, will remain dry through Friday night, offering ideal travel conditions for early weekend plans.
Saturday brings the start of summer-like warmth, with sunny skies and a high near 79°F. Sunday will be mostly sunny again with temperatures climbing to 78°F—perfect for outdoor gatherings. Winds stay light and conditions remain stable through Sunday evening, with only a slight chance of showers late Sunday night.
Memorial Day itself could bring a mix. A slight chance of rain and partly sunny skies are expected, with temperatures hovering near 75°F. Rain is more likely Monday night and into Tuesday, so those attending outdoor events should bring a backup plan.
By Tuesday, highs push into the low 80s under mostly sunny skies. However, a slight chance of evening showers remains. Wednesday also looks warm, with highs near 82°F and mostly sunny conditions.
5-Day Forecast at a Glance (May 23–28):
- Friday: Mostly sunny, 72°F
- Saturday: Sunny, 79°F
- Sunday: Mostly sunny, 78°F
- Memorial Day (Monday): Partly sunny, slight chance of showers, 75°F
- Tuesday: Mostly sunny, 81°F, slight night rain
- Wednesday: Mostly sunny, 82°F




