Portland Oregon Weather Alert: Rain Fades After Today, Chilly 35° Nights Ahead by Tuesday

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Chilly nights weather
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Oregon – Rain beads across windshields before dawn in Portland, pooling along curbs and turning ramps slick as the city wakes up. The air feels damp and cool, and steady rainfall keeps pavement wet during the early commute.

According to the National Weather Service in Portland, rain remains likely through today, with totals between a quarter and half an inch across the metro. Temperatures rise only into the low 50s, while light winds allow rainfall to linger rather than move through quickly. Travel impacts are most noticeable on I-5, I-84, and Highway 26, where spray and reduced visibility slow traffic.

Showers continue into the evening, then gradually taper late tonight. Monday brings a transition day. Clouds linger, but breaks of sun develop by afternoon, pushing highs near 52 degrees. Roads begin to dry, though shaded streets may stay damp through the morning.

Colder air arrives quietly Monday night. Clearer skies allow temperatures to drop near 37 degrees, then closer to the mid-30s by Tuesday night. Any leftover moisture could refreeze on bridges and overpasses early Tuesday, creating isolated slick spots during the morning drive.

Tuesday and Wednesday turn brighter and calmer. Highs reach the low to mid-50s, while nights remain chilly. While Portland avoids snow, higher elevations of the Cascades continue to deal with winter conditions, reinforcing a February feel across the region.

Nationally, Arctic air still grips the eastern U.S., locking lakes in ice and sharpening temperature contrasts. That pattern keeps the Pacific Northwest active but relatively mild by comparison.

Looking ahead, rain chances return late week, but longer-range trends hint at a gradual warming pattern beyond midweek. For now, plan extra braking distance today and watch for early-morning slick spots next week. How wet are roads where you are right now?


Five-Day Outlook for Portland, Oregon

  • Today: Rain likely, highs near 51°F
  • Monday: Showers early, partial sun later, high near 52°F
  • Tuesday: Partly sunny, colder morning, high near 53°F
  • Wednesday: Sunny and dry, highs near 52°F
  • Thursday: Increasing clouds, rain chance late, high near 52°F