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.

light rain,mist

48°F

9°C

Humidity 93%
Wind Speed ENE 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Wind Chill47°F (8°C)
Last update 03 Nov 07:15 PM PST
Extended Forecast for

3 Miles SSE Farmington OR

  • Tonight

    Tonight: Rain before 1am, then a chance of rain after 4am. Low around 46. Light and variable wind becoming south southwest 5 to 7 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 3pm. Patchy fog before 10am. High near 59. Light and variable wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Tuesday Night

    Tuesday Night: Rain. Steady temperature around 54. East wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. High near 60. Breezy, with a south wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 50. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: Rain. High near 58. Chance of precipitation is 100%.

    High: 58 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Rain

  • Friday

    Friday: Rain, mainly before 4pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a slight chance of rain after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Tonight
Rain before 1am, then a chance of rain after 4am. Low around 46. Light and variable wind becoming south southwest 5 to 7 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain, mainly after 3pm. Patchy fog before 10am. High near 59. Light and variable wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Steady temperature around 54. East wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 60. Breezy, with a south wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 50. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain. High near 58. Chance of precipitation is 100%.
Thursday Night
Rain. Low around 47. Chance of precipitation is 100%.
Friday
Rain, mainly before 4pm. Mostly cloudy, with a high near 58.
Friday Night
A chance of rain before 10pm, then a slight chance of rain after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 42.
Saturday
A slight chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 59.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain likely. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Farmington OR
 45.4°N 122.91°W (Elev. 200 ft)
Last Update:
6:41 pm PST Nov 3, 2025
Forecast Valid:
7pm PST Nov 3, 2025-6pm PST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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