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.

Mostly Cloudy

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 01 Nov 11:35 PM PDT
Extended Forecast for

Farmington OR

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 41. Light south southwest wind.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 55. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 44. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 48. Chance of precipitation is 100%.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 59.

    High: 59 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 48.

    Low: 48 °F

    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 41. Light south southwest wind.
Sunday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 56. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 43. North wind around 6 mph.
Monday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 55. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 44. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 48. Chance of precipitation is 100%.
Wednesday
Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 59.
Wednesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 48.
Thursday
Showers. Cloudy, with a high near 57.
Thursday Night
Showers. Cloudy, with a low around 46.
Friday
Showers. Mostly cloudy, with a high near 57.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41.
Saturday
A chance of showers. Mostly cloudy, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Farmington OR
 45.46°N 122.96°W (Elev. 200 ft)
Last Update:
11:41 pm PDT Nov 1, 2025
Forecast Valid:
11pm PDT Nov 1, 2025-6pm PST Nov 8, 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