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Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mist

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Last update 31 Jan 09:35 PM PST
Extended Forecast for

Hillsboro OR

  • Tonight

    Tonight: Rain, mainly after 1am.  Areas of fog. Low around 41. Calm wind.  Chance of precipitation is 80%.

    Low: 41 °F

    Areas Fog
    then Rain and
    Areas Fog

  • Sunday

    Sunday: Rain before noon, then showers, mainly between noon and 3pm.  High near 56. South southwest wind 3 to 7 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Mostly cloudy, with a high near 54. Calm wind.

    High: 54 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 59.

    High: 59 °F

    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 1am. Areas of fog. Low around 41. Calm wind. Chance of precipitation is 80%.
Sunday
Rain before noon, then showers, mainly between noon and 3pm. High near 56. South southwest wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43. Calm wind.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 54. Calm wind.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 59.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 40.
Saturday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
9:45 pm PST Jan 31, 2026
9pm PST Jan 31, 2026-6pm PST Feb 7, 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