Want to revisit 2025? Here's our year-end climate summary!

Our annual climate summary for Portland has been posted. Additional summaries for Astoria, Eugene, and Salem are available. For other climate summaries, visit our Observed Weather tab on our climate page. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Fog

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 01 Feb 10:35 PM PST
Extended Forecast for

Hillsboro OR

  • Tonight

    Tonight: A slight chance of showers between 3am and 5am, then a slight chance of rain after 5am.  Patchy fog.  Otherwise, mostly cloudy, with a low around 41. Calm wind.  Chance of precipitation is 20%.

    Low: 41 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 50 percent chance of rain, mainly before 1pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 53. Calm wind.

    High: 53 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers between 3am and 5am, then a slight chance of rain after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.
Monday
A 50 percent chance of rain, mainly before 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 53. Calm wind.
Monday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 38. Calm wind.
Tuesday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 59. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 39. Calm wind.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 58.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 39.
Saturday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 56.
Saturday Night
Rain likely. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
10:41 pm PST Feb 1, 2026
10pm PST Feb 1, 2026-6pm PST Feb 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database