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.

Overcast

40°F

4°C

Humidity 89%
Wind Speed WNW 5 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 16 Feb 03:53 AM PST
Extended Forecast for

3 Miles N Cedar Hills OR

  • Overnight

    Overnight: Rain likely, mainly after 5am. Snow level 1900 feet. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Washington's Birthday

    Washington's Birthday: Showers. Snow level 1500 feet. High near 44. Calm wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Showers

  • Monday Night

    Monday Night: A chance of rain showers before 10pm, then snow showers likely, possibly mixed with rain. Snow level 800 feet. Mostly cloudy, with a low around 34. South wind around 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow showers, becoming all rain after 1pm. Snow level 400 feet rising to 1200 feet in the afternoon. High near 46. South wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 10pm, then a chance of rain and snow showers. Snow level 1000 feet lowering to 500 feet after midnight . Mostly cloudy, with a low around 30. Light south wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow showers likely, becoming all rain after 1pm. Snow level 300 feet rising to 1200 feet in the afternoon. Mostly cloudy, with a high near 45. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain showers before 1am, then rain, possibly mixed with snow showers. Snow level 900 feet. Low around 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all rain after 1pm. Snow level 700 feet. Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain likely before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Snow level 600 feet. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Snow level 1900 feet. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%.
Washington's Birthday
Showers. Snow level 1500 feet. High near 44. Calm wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of rain showers before 10pm, then snow showers likely, possibly mixed with rain. Snow level 800 feet. Mostly cloudy, with a low around 34. South wind around 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
Rain and snow showers, becoming all rain after 1pm. Snow level 400 feet rising to 1200 feet in the afternoon. High near 46. South wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain showers before 10pm, then a chance of rain and snow showers. Snow level 1000 feet lowering to 500 feet after midnight . Mostly cloudy, with a low around 30. Light south wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
Rain and snow showers likely, becoming all rain after 1pm. Snow level 300 feet rising to 1200 feet in the afternoon. Mostly cloudy, with a high near 45. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Rain showers before 1am, then rain, possibly mixed with snow showers. Snow level 900 feet. Low around 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow likely, becoming all rain after 1pm. Snow level 700 feet. Mostly cloudy, with a high near 44.
Thursday Night
Rain likely before 1am, then rain and snow likely between 1am and 4am, then snow likely after 4am. Snow level 600 feet. Mostly cloudy, with a low around 29.
Friday
Snow likely before 7am, then rain and snow likely between 7am and 1pm, then rain likely after 1pm. Snow level 400 feet rising to 1100 feet in the afternoon. Mostly cloudy, with a high near 44.
Friday Night
Rain likely. Snow level 1400 feet. Mostly cloudy, with a low around 34.
Saturday
Rain likely. Snow level 1400 feet rising to 2200 feet in the afternoon. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely. Mostly cloudy, with a low around 37.
Sunday
Rain. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Cedar Hills OR
 45.55°N 122.83°W (Elev. 269 ft)
Last Update:
3:41 am PST Feb 16, 2026
Forecast Valid:
4am PST Feb 16, 2026-6pm PST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation