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

54°F

12°C

Humidity 71%
Wind Speed NW 3 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Apr 09:00 AM PDT
Extended Forecast for

3 Miles SW Farmington OR

  • Today

    Today: A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 72 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 60. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 46. West southwest wind 3 to 5 mph.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 57. South southwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely. Mostly cloudy, with a high near 60. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 46. West southwest wind 3 to 5 mph.
Wednesday
Rain likely. Mostly cloudy, with a high near 57. South southwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. 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 43.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Farmington OR
 45.42°N 122.98°W (Elev. 207 ft)
Last Update:
8:41 am PDT Apr 20, 2026
Forecast Valid:
9am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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