Eugene, Oregon Weather Alert: Cold Rain and Fog Slow New Year’s Day Travel Into Weekend 2026

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Oregon – Mist clings to windshields this morning as light rain falls steadily across the southern Willamette Valley. Streetlights glow through pockets of fog, and the first hours of 2026 feel damp, gray, and slow-moving for Eugene-area drivers.

According to the National Weather Service office in Portland, rain will continue through much of New Year’s Day, with areas of fog reducing visibility early. Temperatures remain on the cool side, climbing only into the upper 40s, keeping roads wet and travel conditions subdued. While rainfall totals stay modest, steady moisture is enough to create slick pavement during busy travel periods.

Morning commuters along I-5, Highway 99, and Beltline Road may encounter reduced visibility, especially near low-lying areas and river valleys. Fog is expected to thin later today, but wet roads will persist. Plan extra time and increase following distance, particularly during early errands or holiday returns.

Conditions briefly ease heading into Friday, with lighter rain and more breaks in the cloud cover. That pause will be short-lived. Showers return by Friday night and continue through the weekend, reinforcing a wet weather pattern as the first full weekend of 2026 arrives. Daytime highs rebound into the mid-50s, but cool nights linger in the 40s.

While snow is not expected in Eugene, higher elevations of the Cascades will see winter travel impacts. Locally, standing water and reduced traction remain the main concerns. Keep rain gear handy and stay flexible with outdoor plans.

More updates are possible as systems line up offshore. Heading out today or this weekend? Share what road and visibility conditions look like where you are.


Five-Day Outlook for Eugene, Oregon

New Year’s Day: Rain and areas of fog, high near 47°F
Friday: Chance of rain, high near 58°F
Saturday: Showers likely, high near 56°F
Sunday: Rain, high near 53°F
Monday: Rain likely early, high near 50°F