National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Overcast

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Nov 08:15 PM PST
Extended Forecast for

4 Miles E Farmington OR

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 38. Calm wind.

    Low: 38 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 40. Light south wind.

    Low: 40 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.

    High: 51 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: A chance of rain. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind.
Friday Night
Increasing clouds, with a low around 38. Calm wind.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 50. Calm wind.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 40. Light south wind.
Sunday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Monday
A chance of rain. Partly sunny, with a high near 49.
Monday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thanksgiving Day
A chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
Last Update:
8:21 pm PST Nov 20, 2025
Forecast Valid:
8pm PST Nov 20, 2025-6pm PST Nov 27, 2025
 
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