Today | Weather | Sunday, December 14, 2025

Active Weather Warnings

Dense Fog Advisory

Weather in Eugene, Oregon

05:04 AM

Now

34° F

Feels Like 32°

Precipitation 1 %

Wind 6 mph

Humidity 100 %

Today

Day 55°

Night 48°

Precipitation 17 %

Wind 5 mph

UV Index (0 - 11+) 0

Eugene Weather Forecast Updated

Last updated on December 14, 2025 at 4:01 AM

Weather Forecast History

Last Year's Weather on This Day (December 14, 2024)

Day

50°

Night

39°

Wind

8 mph

Precipitation

96 %

Air Quality in Eugene

NOW

15 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 3.64 µg/m³

PM₁₀ 4.04 µg/m³

O₃ 0.012 ppm

NO₂ 2.5 ppb

SO₂ 0 ppb

CO 0.15 ppm

NH₃ 0.17 µg/m³

NO 0.02 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 3.64 µg/m³

PM₁₀ – 4.04 µg/m³

O₃ – 23.43 µg/m³

NO₂ – 4.75 µg/m³

SO₂ – 0.05 µg/m³

CO – 171.36 µg/m³

NH₃ – 0.17 µg/m³

NO – 0.02 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Eugene

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued December 14 at 3:43AM PST until December 14 at 10:00AM PST by NWS Portland OR

Dec 14, 3:43 AM → Dec 14, 10:00 AM

WHAT: Visibility one quarter mile or less in dense fog.

WHERE: South Willamette Valley.

WHEN: Until 10 AM PST this morning.

IMPACTS: Low visibility could make driving conditions hazardous.

ADDITIONAL DETAILS: Areas most impacted are rural areas within
the advisory areas like around Creswell, Corvallis, and Albany.
During periods of wind speeds greater than 8 mph fog may
temporarily lift.

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If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.

Updated: Dec 14, 4:01 AM Source: NWS Alert