National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

32°F

0°C

Humidity 74%
Wind Speed NW 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 24 Jan 07:30 PM PST
Extended Forecast for

Hillsboro OR

Cold Weather Advisory January 24, 10:00pm until January 25, 11:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Widespread frost. Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Frost then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain and snow before 7am, then a slight chance of rain between 7am and 10am. Mostly cloudy, with a high near 48. Calm wind. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy frost after 11pm. Otherwise, mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Frost

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Widespread frost. Otherwise, mostly clear, with a low around 22. Calm wind.
Sunday
Widespread frost before 11am. Otherwise, partly sunny, with a high near 45. Calm wind.
Sunday Night
Mostly cloudy, with a low around 29. Calm wind.
Monday
A slight chance of rain and snow before 7am, then a slight chance of rain between 7am and 10am. Mostly cloudy, with a high near 48. Calm wind. Chance of precipitation is 20%.
Monday Night
Patchy frost after 11pm. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain. Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Partly sunny, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37.
Friday
A chance of rain. Partly sunny, with a high near 54.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
Last Update:
7:41 pm PST Jan 24, 2026
Forecast Valid:
7pm PST Jan 24, 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