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.

Rain

54°F

12°C

Humidity 93%
Wind Speed N 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 52°F (11°C)
Visibility 7.00 mi
Last update 21 Apr 02:00 AM PDT
Extended Forecast for

4 Miles E Farmington OR

  • Overnight

    Overnight: Rain likely, mainly before 4am. Mostly cloudy, with a low around 50. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 2pm. Cloudy, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before 9pm, then a chance of rain after midnight. Mostly cloudy, with a low around 47. West northwest wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 56. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Thursday Night

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

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Overnight
Rain likely, mainly before 4am. Mostly cloudy, with a low around 50. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly before 2pm. Cloudy, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of rain before 9pm, then a chance of rain after midnight. Mostly cloudy, with a low around 47. West northwest wind 6 to 8 mph. Chance of precipitation is 40%.
Wednesday
Rain. High near 56. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 70.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 69.
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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:
2:00 am PDT Apr 21, 2026
Forecast Valid:
2am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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