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.

Clear

61°F

16°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 16 Oct 05:00 PM PDT
Extended Forecast for

3 Miles ENE Farmington OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before 8am. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 40. Light north northwest wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Rain. Low around 49. Light south wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • Sunday

    Sunday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 61. Chance of precipitation is 100%.

    High: 61 °F

    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Calm wind.
Friday
A 20 percent chance of rain before 8am. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 40. Light north northwest wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Saturday Night
Rain. Low around 49. Light south wind increasing to 5 to 9 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 61. Chance of precipitation is 100%.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Monday
Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A slight chance of rain after 11am. Partly sunny, with a high near 62.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Farmington OR
 45.47°N 122.9°W (Elev. 200 ft)
Last Update:
4:45 pm PDT Oct 16, 2025
Forecast Valid:
5pm PDT Oct 16, 2025-6pm PDT Oct 23, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation