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Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Overcast

38°F

3°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 22 Jan 03:53 PM PST
Extended Forecast for

Cedar Hills OR

Air Stagnation Advisory January 22, 04:09pm 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, 04:09pm 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

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