National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Mist

30°F

-1°C

Humidity 92%
Wind Speed N 3 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 28°F (-2°C)
Visibility 6.00 mi
Last update 22 Jan 10:50 AM PST
Extended Forecast for

Mahlon Sweet Field OR

Air Stagnation Advisory January 22, 11:07am until January 23, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 22, 11:07am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Air Stagnation Advisory

  • Today

    High: 43 °F

    Frost

  • Tonight

    Tonight: Widespread frost after midnight. Otherwise, mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy
    then Frost

  • Friday

    Friday: Areas of freezing fog between 8am and 9am. Widespread frost, mainly before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 46. Calm wind becoming north 5 to 8 mph in the morning.

    High: 46 °F

    Frost and
    Areas
    Freezing Fog
    then Sunny

  • Friday Night

    Friday Night: Widespread frost. Otherwise, clear, with a low around 22. North northeast wind 6 to 8 mph.

    Low: 22 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 11am. Otherwise, sunny, with a high near 44. North northeast wind around 7 mph.

    High: 44 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Areas of freezing fog between 4am and 5am. Widespread frost, mainly after 7pm. Otherwise, mostly clear, with a low around 22.

    Low: 22 °F

    Frost and
    Areas
    Freezing Fog

  • Sunday

    Sunday: Widespread frost before 11am. Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
Widespread frost, mainly before noon. Otherwise, mostly cloudy, with a high near 43. Light north wind.
Tonight
Widespread frost after midnight. Otherwise, mostly cloudy, with a low around 28. Calm wind.
Friday
Areas of freezing fog between 8am and 9am. Widespread frost, mainly before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 46. Calm wind becoming north 5 to 8 mph in the morning.
Friday Night
Widespread frost. Otherwise, clear, with a low around 22. North northeast wind 6 to 8 mph.
Saturday
Widespread frost before 11am. Otherwise, sunny, with a high near 44. North northeast wind around 7 mph.
Saturday Night
Patchy fog after 10pm. Areas of freezing fog between 4am and 5am. Widespread frost, mainly after 7pm. Otherwise, mostly clear, with a low around 22.
Sunday
Widespread frost before 11am. Otherwise, partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 49.
Monday Night
Widespread frost, mainly after 3am. Otherwise, mostly cloudy, with a low around 31.
Tuesday
Widespread frost. Otherwise, partly sunny, with a high near 50.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Mostly cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahlon Sweet Field OR
 44.13°N 123.22°W (Elev. 367 ft)
Last Update:
10:56 am PST Jan 22, 2026
Forecast Valid:
11am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation