Portland, Oregon Weather Alert: 70% Rain Today, Clear Skies Bring 38°F Cold Snap by Morning

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Oregon – Rain taps steadily across Portland streets, and puddles are forming fast, but a sharper shift is already underway that could impact roads and neighborhoods within hours.

According to the National Weather Service, showers continue through midday with temperatures rising near 57°F before gradual clearing begins later in the day . That clearing sets the stage for a quick temperature drop, with lows falling into the upper 30s by early morning.

Across Portland, Beaverton, and Gresham, drivers should expect slick roads through the afternoon. Wet pavement along I-5, I-84, and Highway 26 could lead to slower travel, especially during heavier showers. Keep headlights on and allow extra time.

Conditions improve later as skies begin to clear. However, that clearing introduces a new concern. Moisture left behind on roads, sidewalks, and bridges may refreeze as temperatures dip toward the upper 30s. While widespread ice is not expected, isolated slick spots could develop in shaded areas.

This setup reflects a classic early spring pattern where wet daytime conditions transition into colder nights. Be cautious during the early morning commute, particularly on overpasses and less-traveled roads.

By Friday afternoon, sunshine returns with highs near 62°F, quickly warming surfaces. The first weekend of April brings a noticeable shift, with highs climbing into the low 70s Saturday and mid-70s Sunday under mostly sunny skies.

Looking ahead, early next week stays mild with temperatures in the 60s to 70s before slight rain chances return.

Five Day Outlook for Portland, Oregon
Friday: Mostly sunny, high 62°F
Saturday: Sunny, high 71°F
Sunday: Partly sunny, high 75°F
Monday: Mostly sunny, high 74°F
Tuesday: Slight chance of rain, high 64°F