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Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mist

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 39°F (4°C)
Visibility 3.00 mi
Last update 01 Feb 02:00 AM PST
Extended Forecast for

3 Miles WSW Cedar Hills OR

  • Overnight

    Overnight: Rain likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly before 5pm. Patchy fog before 7am. High near 56. South southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: A slight chance of rain before 4am, then a slight chance of rain after 5am. Patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Rain and
    Patchy Dense
    Fog

  • Monday

    Monday: A 40 percent chance of rain. Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 54. Calm wind.

    High: 54 °F

    Chance Rain
    and Areas
    Dense Fog

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °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

Overnight
Rain likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 5pm. Patchy fog before 7am. High near 56. South southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of rain before 4am, then a slight chance of rain after 5am. Patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 20%.
Monday
A 40 percent chance of rain. Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 54. Calm wind.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 39. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 40.
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
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 58.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Saturday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Cedar Hills OR
 45.5°N 122.88°W (Elev. 200 ft)
Last Update:
1:46 am PST Feb 1, 2026
Forecast Valid:
2am PST Feb 1, 2026-6pm PST Feb 7, 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