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

48°F

9°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Oct 04:53 AM PDT
Extended Forecast for

Farmington OR

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 46. South southwest wind around 5 mph.

    Low: 46 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 57. South southwest wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Mostly cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A 40 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. Light north wind becoming northeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 59 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39. North northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 11pm. Increasing clouds, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 46. South southwest wind around 5 mph.
Sunday
Showers and possibly a thunderstorm. High near 57. South southwest wind around 7 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 likely and possibly a thunderstorm before 9pm, then a chance of showers. Mostly cloudy, with a low around 41. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Columbus Day
A 40 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. Light north wind becoming northeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 39. North northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 65.
Wednesday Night
A slight chance of showers after 11pm. Increasing clouds, with a low around 42.
Thursday
A chance of showers. Mostly cloudy, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Partly sunny, with a high near 63.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Saturday
A slight chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Farmington OR
 45.45°N 122.93°W (Elev. 200 ft)
Last Update:
4:45 am PDT Oct 12, 2025
Forecast Valid:
5am PDT Oct 12, 2025-6pm PDT Oct 18, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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