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Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

45°F

7°C

Humidity 48%
Wind Speed ENE 3 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Jan 02:35 PM PST
Extended Forecast for

3 Miles N Cedar Hills OR

Air Stagnation Advisory January 21, 02:59pm 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, 02:59pm until January 23, 12:00pm

    NOW until 12:00pm Fri

    Air Stagnation Advisory

  • This Afternoon

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Widespread frost after 8pm. Otherwise, mostly clear, with a low around 32. East northeast wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 10am. Otherwise, increasing clouds, with a high near 44. Calm wind.

    High: 44 °F

    Frost then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 47. East northeast wind 3 to 6 mph.

    High: 47 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Widespread frost after 2am. Otherwise, clear, with a low around 26.

    Low: 26 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, sunny, with a high near 47.

    High: 47 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 48. East northeast wind around 8 mph, with gusts as high as 18 mph.
Tonight
Widespread frost after 8pm. Otherwise, mostly clear, with a low around 32. East northeast wind around 6 mph becoming calm in the evening.
Thursday
Widespread frost before 10am. Otherwise, increasing clouds, with a high near 44. Calm wind.
Thursday Night
Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 32. Calm wind.
Friday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 47. East northeast wind 3 to 6 mph.
Friday Night
Widespread frost after 2am. Otherwise, clear, with a low around 26.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Cedar Hills OR
 45.55°N 122.83°W (Elev. 269 ft)
Last Update:
2:41 pm PST Jan 21, 2026
Forecast Valid:
2pm PST Jan 21, 2026-6pm PST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation