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Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

36°F

2°C

Humidity 64%
Wind Speed WNW 3 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 24 Jan 10:30 AM PST
Extended Forecast for

Hillsboro OR

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

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Widespread frost.  Otherwise, mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 11am.  Otherwise, partly sunny, with a high near 46. Calm wind.

    High: 46 °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 49. Calm wind.

    High: 49 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 33.

    Low: 33 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 52.

    High: 52 °F

    Frost then
    Partly Sunny

  • Tuesday Night

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

    Low: 36 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 47. North northeast wind 3 to 5 mph.
Tonight
Widespread frost. Otherwise, mostly clear, with a low around 26. Calm wind.
Sunday
Widespread frost before 11am. Otherwise, partly sunny, with a high near 46. Calm wind.
Sunday Night
Mostly cloudy, with a low around 31. Calm wind.
Monday
Mostly cloudy, with a high near 49. Calm wind.
Monday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33.
Tuesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 52.
Tuesday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 36.
Wednesday
A chance of showers. Mostly cloudy, with a high near 50.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 37.
Thursday
A slight chance of showers. Partly sunny, with a high near 52.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 38.
Friday
A slight chance of showers. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
10:46 am PST Jan 24, 2026
11am PST Jan 24, 2026-6pm PST Jan 30, 2026
 
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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