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Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

28°F

-2°C

Humidity 92%
Wind Speed WNW 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 19 Jan 05:50 AM PST
Extended Forecast for

4 Miles E Farmington OR

Air Stagnation Advisory January 19, 06:31am until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 06:31am until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • M.L.King Day

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Widespread frost after 9pm.  Otherwise, mostly clear, with a low around 32. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 32 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 9am.  Otherwise, mostly sunny, with a high near 49. Light east northeast wind.

    High: 49 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 32. Northeast wind 3 to 5 mph.

    Low: 32 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 9am.  Otherwise, mostly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly between midnight and 4am.  Otherwise, mostly cloudy, with a low around 32.

    Low: 32 °F

    Frost

  • Thursday

    Thursday: Widespread frost between 7am and 11am.  Otherwise, partly sunny, with a high near 45.

    High: 45 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 33.

    Low: 33 °F

    Frost

Detailed Forecast

M.L.King Day
Sunny, with a high near 49. East northeast wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
Widespread frost after 9pm. Otherwise, mostly clear, with a low around 32. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 49. Light east northeast wind.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. Northeast wind 3 to 5 mph.
Wednesday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 46. Calm wind.
Wednesday Night
Widespread frost, mainly between midnight and 4am. Otherwise, mostly cloudy, with a low around 32.
Thursday
Widespread frost between 7am and 11am. Otherwise, partly sunny, with a high near 45.
Thursday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33.
Friday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
5:41 am PST Jan 19, 2026
6am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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