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

52°F

11°C

Humidity 81%
Wind Speed NW 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 01 Nov 07:35 PM PDT
Extended Forecast for

4 Miles E Farmington OR

  • Tonight

    Tonight: A 50 percent chance of showers between 11pm and 3am. Partly cloudy, with a low around 43. South southwest wind 3 to 7 mph.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Calm wind becoming north around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. North northeast wind 5 to 9 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 54. Northeast wind 5 to 7 mph becoming light and variable in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 45. Light and variable wind becoming east southeast around 6 mph in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 50. Chance of precipitation is 100%.

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 57.

    High: 57 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
A 50 percent chance of showers between 11pm and 3am. Partly cloudy, with a low around 43. South southwest wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 55. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45. North northeast wind 5 to 9 mph.
Monday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 54. Northeast wind 5 to 7 mph becoming light and variable in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 45. Light and variable wind becoming east southeast around 6 mph in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 50. Chance of precipitation is 100%.
Wednesday
Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 57.
Wednesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 50. Breezy.
Thursday
Showers. Cloudy, with a high near 56. Breezy.
Thursday Night
Showers. Cloudy, with a low around 47. Breezy.
Friday
Showers. Mostly cloudy, with a high near 55.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
Last Update:
7:41 pm PDT Nov 1, 2025
Forecast Valid:
7pm 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