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

57°F

14°C

Humidity 82%
Wind Speed S 9 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 11 Oct 04:35 PM PDT
Extended Forecast for

4 Miles E Farmington OR

  • This Afternoon

    This Afternoon: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 58. South southwest wind around 7 mph. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers, mainly between 1am and 5am. Increasing clouds, with a low around 48. West wind 6 to 10 mph becoming south southwest after midnight.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 54. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 43. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers then
    Showers
    Likely

  • Columbus Day

    Columbus Day: A 40 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 57. Northeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 57 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

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

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 58. South southwest wind around 7 mph. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers, mainly between 1am and 5am. Increasing clouds, with a low around 48. West wind 6 to 10 mph becoming south southwest after midnight.
Sunday
Showers and possibly a thunderstorm. High near 54. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 43. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Columbus Day
A 40 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 57. Northeast wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 62.
Wednesday Night
A slight chance of showers after 11pm. Partly cloudy, with a low around 42.
Thursday
A chance of showers. Partly sunny, with a high near 59.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
A chance of showers. Partly sunny, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Partly sunny, with a high near 61.
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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:
4:45 pm PDT Oct 11, 2025
Forecast Valid:
4pm PDT Oct 11, 2025-6pm PDT Oct 18, 2025
 
Forecast Discussion
 
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Additional Resources

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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