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Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

22°F

-6°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 20°F (-7°C)
Visibility 7.00 mi
Last update 25 Jan 04:53 AM PST
Extended Forecast for

4 Miles E Farmington OR

Cold Weather Advisory until January 25, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 25, 11:00am

    NOW until 11:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 28 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny through mid morning, then becoming mostly cloudy, with a high near 44. Light and variable wind becoming northeast around 5 mph.

    High: 44 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Areas of frost between 7pm and 8pm. Otherwise, mostly cloudy, with a low around 31. Light east wind.

    Low: 31 °F

    Areas Frost
    then Cloudy

  • Monday

    Monday: Areas of frost between 10am and 11am. Otherwise, mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Areas Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: Areas of frost after 11pm. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Areas Frost

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Widespread frost. Otherwise, mostly clear, with a low around 28. Calm wind.
Sunday
Widespread frost before 9am. Otherwise, sunny through mid morning, then becoming mostly cloudy, with a high near 44. Light and variable wind becoming northeast around 5 mph.
Sunday Night
Areas of frost between 7pm and 8pm. Otherwise, mostly cloudy, with a low around 31. Light east wind.
Monday
Areas of frost between 10am and 11am. Otherwise, mostly cloudy, with a high near 47. Calm wind.
Monday Night
Areas of frost after 11pm. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Tuesday
Mostly cloudy, with a high near 48.
Tuesday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
Last Update:
4:41 am PST Jan 25, 2026
Forecast Valid:
5am PST Jan 25, 2026-6pm PST Jan 31, 2026
 
Forecast Discussion
 
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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