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 5 MPH
Barometer	30.26 in (1024.72 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	18 Jan 02:35 PM PST

More Information:

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

Extended Forecast for

3 Miles WSW Eugene OR

Air Stagnation Advisory January 18, 02:51pm until January 21, 04:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory January 18, 02:51pm until January 21, 04:00pm
NOW until 4:00pm Wed
Air Stagnation Advisory
This Afternoon
High: 48 °F
Sunny
Tonight
Low: 29 °F
Frost and
Dense
Freezing Fog
M.L.King Day
High: 49 °F
Frost and
Dense
Freezing Fog
then Sunny
Monday Night
Low: 30 °F
Frost and
Areas
Freezing Fog
Tuesday
High: 50 °F
Frost and
Dense
Freezing Fog
then Mostly
Sunny
Tuesday Night
Low: 32 °F
Frost and
Dense Fog
Wednesday
High: 49 °F
Frost and
Dense Fog
then Partly
Sunny
Wednesday Night
Low: 33 °F
Frost

Detailed Forecast

This Afternoon

Sunny, with a high near 48. Calm wind.

Tonight

Widespread dense fog between 9pm and 2am. Widespread dense freezing fog after 2am. Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 29. Calm wind.

M.L.King Day

Widespread dense fog between 9am and 10am. Widespread dense freezing fog before 9am. Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 49. Light north wind.

Monday Night

Widespread dense fog, mainly before 10pm. Areas of freezing fog after 3am. Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 30. Calm wind.

Tuesday

Widespread dense freezing fog before 8am. Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 50. Calm wind.

Tuesday Night

Widespread dense fog, mainly between 10pm and 5am. Widespread frost, mainly after midnight. Otherwise, partly cloudy, with a low around 32.

Wednesday

Widespread dense fog, mainly between 10am and 11am. Widespread frost, mainly before 9am. Otherwise, partly sunny, with a high near 49.

Wednesday Night

Widespread frost, mainly after 4am. Otherwise, mostly cloudy, with a low around 33.

Thursday

Widespread frost before 7am. Otherwise, partly sunny, with a high near 49.

Thursday Night

A slight chance of rain after 10pm. Mostly cloudy, with a low around 35.