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Current conditions at

Portland-Hillsboro Airport (KHIO)

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

light rain,mist

43°F

6°C

Humidity 100%
Wind Speed WSW 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Last update 01 Feb 04:35 AM PST
Extended Forecast for

3 Miles S Farmington OR

  • Overnight

    Overnight: Rain, mainly after 5am. Patchy fog. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain, mainly before 4pm. High near 55. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 4am, then a slight chance of rain after 5am. Patchy dense fog. 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 noon. 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 9pm. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 58.

    High: 58 °F

    Areas 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 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly after 5am. Patchy fog. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 4pm. High near 55. South wind 6 to 9 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. 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 noon. Otherwise, mostly cloudy, with a high near 54. Calm wind.
Monday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 39. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 57.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Farmington OR
 45.42°N 122.95°W (Elev. 200 ft)
Last Update:
4:41 am PST Feb 1, 2026
Forecast Valid:
4am 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