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

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Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Clear

27°F

-3°C

Humidity 92%
Wind Speed NW 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Jan 09:20 PM PST
Extended Forecast for

4 Miles E Farmington OR

Air Stagnation Advisory January 21, 09:32pm until January 23, 12:00pm
Cold Weather Advisory January 22, 12:00am until January 22, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
Cold Weather Advisory
  •  
    Air Stagnation Advisory January 21, 09:32pm until January 23, 12:00pm

    NOW until 12:00pm Fri

    Air Stagnation Advisory

  • Tonight

    Low: 30 °F

    Frost

  • Thursday

    Thursday: Widespread frost, mainly before 10am.  Otherwise, increasing clouds, with a high near 42. Calm wind becoming east northeast around 5 mph.

    High: 42 °F

    Frost then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Widespread frost before 4am.  Otherwise, partly cloudy, with a low around 30. Northeast wind 3 to 5 mph.

    Low: 30 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 10am.  Otherwise, sunny, with a high near 45. Northeast wind 5 to 7 mph.

    High: 45 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Widespread frost after 5am.  Otherwise, clear, with a low around 27. North northeast wind 6 to 8 mph.

    Low: 27 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost between 7am and 8am.  Otherwise, sunny, with a high near 45.

    High: 45 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Tonight
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 30. Northeast wind 5 to 9 mph becoming light north after midnight.
Thursday
Widespread frost, mainly before 10am. Otherwise, increasing clouds, with a high near 42. Calm wind becoming east northeast around 5 mph.
Thursday Night
Widespread frost before 4am. Otherwise, partly cloudy, with a low around 30. Northeast wind 3 to 5 mph.
Friday
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 45. Northeast wind 5 to 7 mph.
Friday Night
Widespread frost after 5am. Otherwise, clear, with a low around 27. North northeast wind 6 to 8 mph.
Saturday
Widespread frost between 7am and 8am. Otherwise, sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Partly sunny, with a high near 43.
Sunday Night
A slight chance of rain and snow after 4am. Snow level 2200 feet. Mostly cloudy, with a low around 32.
Monday
A slight chance of rain and snow before 10am. Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
9:13 pm PST Jan 21, 2026
9pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database