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Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

40°F

4°C

Humidity 46%
Wind Speed ENE 17 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 23 Jan 04:53 PM PST
Extended Forecast for

Hillsboro OR

Cold Weather Advisory January 23, 10:00pm until January 24, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Widespread frost after 8pm. Otherwise, clear, with a low around 24. Northeast wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 10am. Otherwise, sunny, with a high near 47. Calm wind.

    High: 47 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost. Otherwise, mostly clear, with a low around 25. Calm wind.

    Low: 25 °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 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Widespread frost after 8pm. Otherwise, clear, with a low around 24. Northeast wind 5 to 10 mph, with gusts as high as 23 mph.
Saturday
Widespread frost before 10am. Otherwise, sunny, with a high near 47. Calm wind.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 25. 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 31. Calm wind.
Monday
Mostly cloudy, with a high near 46.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Thursday
A slight chance of rain. Partly sunny, with a high near 52.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Friday
A slight chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
Last Update:
4:51 pm PST Jan 23, 2026
Forecast Valid:
5pm PST Jan 23, 2026-6pm PST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation