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

Current conditions at

Eugene, Mahlon Sweet Field (KEUG)

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

freezing fog

25°F

-4°C

Humidity	100%
Wind Speed	SSE 3 MPH
Barometer	30.22 in (1023.37 mb)
Dewpoint	25°F (-4°C)
Visibility	0.25 mi
Last update	20 Jan 07:30 AM PST

More Information:

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

Extended Forecast for

Eugene OR

Air Stagnation Advisory January 20, 07:56am until January 21, 04:00pm

Freezing Fog Advisory until January 20, 11:00am

Click here for hazard details and duration

Air Stagnation Advisory

...

Air Stagnation Advisory January 20, 07:56am until January 21, 04:00pm
Freezing Fog Advisory until January 20, 11:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 48 °F
Frost and
Areas
Freezing Fog
then Mostly
Sunny
Tonight
Low: 29 °F
Frost and
Areas
Freezing Fog
Wednesday
High: 45 °F
Dense
Freezing Fog
and Areas Fog
then Partly
Sunny
Wednesday Night
Low: 28 °F
Frost and
Dense
Freezing Fog
Thursday
High: 46 °F
Frost and
Dense
Freezing Fog
then Mostly
Sunny
Thursday Night
Low: 30 °F
Frost and
Dense
Freezing Fog
Friday
High: 46 °F
Frost and
Areas
Freezing Fog
then Mostly
Sunny
Friday Night
Low: 27 °F
Frost then
Frost and
Patchy Fog

Detailed Forecast

Today

Areas of freezing fog between 8am and 9am. Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind.

Tonight

Widespread dense fog between 9pm and 11pm. Areas of freezing fog after 11pm. Widespread frost, mainly after 9pm. Otherwise, mostly cloudy, with a low around 29. Calm wind.

Wednesday

Areas of fog between 10am and 11am. Widespread dense freezing fog, mainly before 8am. Otherwise, mostly cloudy, with a high near 45. Calm wind.

Wednesday Night

Widespread dense fog between 9pm and 11pm. Widespread dense freezing fog after 11pm. Widespread frost, mainly after 9pm. Otherwise, partly cloudy, with a low around 28. Calm wind.

Thursday

Areas of fog between 10am and 11am. Widespread dense freezing fog before 10am. Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 46. Calm wind.

Thursday Night

Patchy fog between 10pm and 1am. Widespread dense freezing fog, mainly between 1am and 4am. Widespread frost, mainly after 9pm. Otherwise, partly cloudy, with a low around 30.

Friday

Patchy fog between 7am and 9am. Areas of freezing fog before 7am. Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 46.

Friday Night

Patchy fog between 4am and 5am. Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 27.

Saturday

Patchy fog before 8am. Widespread frost, mainly before 11am. Otherwise, mostly sunny, with a high near 46.

Saturday Night

A slight chance of rain after 4am. Areas of frost before 10pm. Otherwise, mostly cloudy, with a low around 31.

Sunday

A chance of rain. Mostly cloudy, with a high near 49.

Sunday Night

A chance of rain. Mostly cloudy, with a low around 36.