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Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Overcast

37°F

3°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 22 Jan 04:10 PM PST
Extended Forecast for

Cedar Hills OR

Air Stagnation Advisory January 22, 04:32pm until January 23, 12:00pm
Cold Weather Advisory January 22, 10:00pm until January 23, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Cold Weather Advisory
  •  
    Air Stagnation Advisory January 22, 04:32pm until January 23, 12:00pm

    NOW until 12:00pm Fri

    Air Stagnation Advisory

  • Tonight

    Low: 29 °F

    Frost

  • Friday

    Friday: Widespread frost before 9am. Otherwise, sunny, with a high near 46. East northeast wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 46 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Widespread frost between 3am and 4am. Otherwise, clear, with a low around 27. Northeast wind 3 to 6 mph.

    Low: 27 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost before 8am. Otherwise, sunny, with a high near 47. Light north northeast wind.

    High: 47 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost after 9pm. Otherwise, mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 45.

    High: 45 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Tonight
Widespread frost between 8pm and 3am. Otherwise, mostly cloudy, with a low around 29. Calm wind becoming northeast around 5 mph after midnight.
Friday
Widespread frost before 9am. Otherwise, sunny, with a high near 46. East northeast wind 6 to 9 mph, with gusts as high as 21 mph.
Friday Night
Widespread frost between 3am and 4am. Otherwise, clear, with a low around 27. Northeast wind 3 to 6 mph.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 47. Light north northeast wind.
Saturday Night
Widespread frost after 9pm. Otherwise, mostly clear, with a low around 26. Calm wind.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Thursday
A chance of rain and snow. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cedar Hills OR
 45.49°N 122.78°W (Elev. 364 ft)
Last Update:
3:46 pm PST Jan 22, 2026
Forecast Valid:
4pm PST Jan 22, 2026-6pm PST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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