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Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mostly Cloudy

36°F

2°C

Humidity 93%
Wind Speed NNW 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 34°F (1°C)
Visibility 8.00 mi
Last update 23 Jan 01:20 AM PST
Extended Forecast for

4 Miles E Farmington OR

Cold Weather Advisory until January 23, 12:00pm
Air Stagnation Advisory January 23, 01:33am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Air Stagnation Advisory
  •  
    Cold Weather Advisory until January 23, 12:00pm
    Air Stagnation Advisory January 23, 01:33am until January 23, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 33 °F

    Frost

  • Friday

    Friday: Widespread frost between 8am and 10am. Otherwise, sunny, with a high near 43. East northeast wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 43 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Widespread frost between 3am and 4am. Otherwise, clear, with a low around 27. North northeast wind 7 to 9 mph.

    Low: 27 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, sunny, with a high near 44. Northeast wind around 6 mph.

    High: 44 °F

    Frost then
    Sunny

  • Saturday Night

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

    Low: 26 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 10am. Otherwise, mostly sunny, with a high near 43.

    High: 43 °F

    Frost then
    Partly Sunny

  • Sunday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Widespread frost before 3am. Otherwise, mostly cloudy, with a steady temperature around 33. North northeast wind 3 to 5 mph.
Friday
Widespread frost between 8am and 10am. Otherwise, sunny, with a high near 43. East northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
Widespread frost between 3am and 4am. Otherwise, clear, with a low around 27. North northeast wind 7 to 9 mph.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 44. Northeast wind around 6 mph.
Saturday Night
Widespread frost after 9pm. Otherwise, mostly clear, with a low around 26. Light north northeast wind.
Sunday
Widespread frost before 10am. Otherwise, mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly cloudy, with a high near 46.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 37.
Wednesday
A chance of showers. Mostly cloudy, with a high near 48.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 37.
Thursday
A chance of showers. Partly sunny, with a high near 51.
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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:
1:00 am PST Jan 23, 2026
Forecast Valid:
1am PST Jan 23, 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