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

46°F

8°C

Humidity 87%
Wind Speed WNW 5 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 02 Nov 09:35 PM PST
Extended Forecast for

4 Miles S Farmington OR

  • Tonight

    Tonight: Cloudy, with a low around 46. North northwest wind 6 to 8 mph.

    Low: 46 °F

    Cloudy

  • Monday

    Monday: Rain, mainly after 11am. High near 52. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: Rain. Steady temperature around 49. Light and variable wind becoming south 5 to 8 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 60. East southeast wind around 6 mph. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 51. East wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 59. Breezy. Chance of precipitation is 100%.

    High: 59 °F

    Rain and
    Breezy

  • Wednesday Night

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

    Low: 50 °F

    Rain

  • Thursday

    Thursday: Rain. Cloudy, with a high near 58.

    High: 58 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Tonight
Cloudy, with a low around 46. North northwest wind 6 to 8 mph.
Monday
Rain, mainly after 11am. High near 52. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Steady temperature around 49. Light and variable wind becoming south 5 to 8 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 60. East southeast wind around 6 mph. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 51. East wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 59. Breezy. Chance of precipitation is 100%.
Wednesday Night
Rain. Low around 50. Chance of precipitation is 100%.
Thursday
Rain. Cloudy, with a high near 58.
Thursday Night
Rain. Cloudy, with a low around 49.
Friday
Rain. Cloudy, with a high near 57.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Farmington OR
 45.4°N 122.94°W (Elev. 217 ft)
Last Update:
9:41 pm PST Nov 2, 2025
Forecast Valid:
9pm PST Nov 2, 2025-6pm PST Nov 9, 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