Want to revisit 2025? Here's our year-end climate summary!

Our annual climate summary for Portland has been posted. Additional summaries for Astoria, Eugene, and Salem are available. For other climate summaries, visit our Observed Weather tab on our climate page. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory until January 21, 04:00 PM PST

Current conditions at

Eugene, Mahlon Sweet Field (KEUG)

Lat: 44.13333°NLon: 123.21444°WElev: 364.0ft.

Clear

45°F

7°C

Humidity	70%
Wind Speed	N 3 MPH
Barometer	30.2 in (1022.69 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Last update	19 Jan 04:35 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Eugene OR

Air Stagnation Advisory January 19, 04:45pm until January 21, 04:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory January 19, 04:45pm until January 21, 04:00pm
NOW until 4:00pm Wed
Air Stagnation Advisory
Tonight
Low: 29 °F
Frost then
Frost and
Areas
Freezing Fog
Tuesday
High: 49 °F
Frost and
Dense
Freezing Fog
then Partly
Sunny
Tuesday Night
Low: 30 °F
Frost and
Dense
Freezing Fog
Wednesday
High: 47 °F
Dense
Freezing Fog
and Dense Fog
then Partly
Sunny
Wednesday Night
Low: 29 °F
Frost and
Dense
Freezing Fog
Thursday
High: 47 °F
Frost and
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 32 °F
Frost
Friday
High: 47 °F
Areas Frost
then Sunny

Detailed Forecast

Tonight

Patchy fog after 2am. Areas of freezing fog after 5am. Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 29. Calm wind.

Tuesday

Widespread dense freezing fog before 9am. Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 49. Calm wind.

Tuesday Night

Widespread dense fog, mainly between 10pm and 1am. Widespread dense freezing fog after 1am. Widespread frost, mainly after 10pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.

Wednesday

Widespread dense fog between 9am and noon. Widespread dense freezing fog before 9am. Otherwise, partly sunny, with a high near 47. Calm wind.

Wednesday Night

Widespread dense fog before 2am, then patchy dense fog after 5am. Widespread dense freezing fog after 2am. Widespread frost, mainly after midnight. Otherwise, mostly cloudy, with a low around 29. Calm wind.

Thursday

Patchy fog before 11am. Widespread frost before 11am. Otherwise, mostly sunny, with a high near 47.

Thursday Night

Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 32.

Friday

Areas of frost before 11am. Otherwise, mostly sunny, with a high near 47.

Friday Night

Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 29.

Saturday

Widespread frost, mainly before 10am. Otherwise, partly sunny, with a high near 47.

Saturday Night

A slight chance of rain. Mostly cloudy, with a low around 34.