Portland, OR – Oregon drivers could face patchy fog early Thursday morning before enjoying a wave of warm spring sunshine across Portland through the weekend.
Calm, cloudy conditions overnight will transition to fog before 7 a.m. Thursday, especially in low-lying areas near I-5 and downtown. Visibility may briefly drop, impacting morning commutes. However, by mid-morning, skies will clear, bringing sunny conditions and a high of 58°F by afternoon.
According to the National Weather Service, light and variable winds will persist Thursday, followed by clear skies Thursday night with a low of 38°F. Conditions will rapidly warm heading into the weekend, with Friday’s high reaching 70°F under sunny skies. Saturday continues the trend with highs near 74°F and mostly sunny weather.
Residents are encouraged to drive cautiously Thursday morning and allow extra time for travel in fog-prone zones. No major storm systems are expected over the next five days, but Sunday could bring rain by late morning.
Five-Day Spring Weather Outlook for Portland:
- Thursday: Morning fog, then sunny. High: 58°F.
- Friday: Clear and warm. High: 70°F.
- Saturday: Partly sunny, high near 74°F.
- Sunday: Rain likely after 11 a.m. High: 71°F.
- Monday: Showers continue. High: 60s.
Spring has officially arrived in Oregon, and this stretch marks one of the driest and warmest periods so far.




