Portland, Oregon – Sunny skies across Oregon will give way to wet roads and spring rain by Friday night, with a 60% chance of showers expected in the Portland area and along major routes like I-5 and I-205. Drivers and weekend planners should prepare now for a cooler, damp Saturday after a stretch of dry, warm days.
According to the National Weather Service in Portland, Thursday will be the warmest day of the week with highs near 84°F under calm, sunny skies. But by Friday evening, increasing clouds will build across northwest Oregon, followed by steady showers overnight into early Saturday. Winds will shift northwest at 6 to 8 mph as the system pushes into the Willamette Valley.
Rain may dampen outdoor plans Saturday morning, especially for those traveling through Portland, Gresham, or up toward Vancouver, Washington. Showers are expected to linger into midday with highs only reaching the low 60s. Saturday night will clear slightly, with lows dipping to 43°F.
Looking ahead, Sunday brings brighter skies and a return to spring warmth, with mostly sunny conditions and highs around 68°F. Monday and Tuesday warm back up into the upper 70s and low 80s, continuing the up-and-down spring pattern.
5-Day Spring Forecast (Portland, OR):
- Thursday: Sunny, high 84°F
- Friday: Clouds increasing, high 74°F
- Friday Night: Showers likely (60%)
- Saturday: Chance of AM showers (30%), high 62°F
- Sunday: Mostly sunny, high 68°F
