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.

Mostly Cloudy

42°F

6°C

Humidity 82%
Wind Speed N 6 MPH
Barometer 29.42 in (996.28 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 16 Feb 03:53 PM PST
Extended Forecast for

Hillsboro OR

  • Washington's Birthday

    Washington's Birthday: Showers likely. Snow level 1400 feet. Mostly cloudy, with a high near 44. South southwest wind around 9 mph. Chance of precipitation is 70%.

    High: 44 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain and snow showers before 4am, then rain showers likely between 4am and 5am, then a chance of rain and snow showers after 5am. Snow level 1100 feet lowering to 600 feet after midnight . Low around 31. South wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers before 10am, then rain showers likely. Snow level 500 feet rising to 1200 feet in the afternoon. Mostly cloudy, with a high near 44. South wind 6 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 5am, then a chance of snow showers. Patchy fog after 10pm. Snow level 700 feet. Otherwise, mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow and
    Patchy Fog

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow showers, becoming all rain after 1pm. Snow level 300 feet rising to 1300 feet in the afternoon. Mostly cloudy, with a high near 44. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °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 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain likely, possibly mixed with snow showers, becoming all rain after 1pm. Snow level 700 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain likely before 1am, then rain and snow likely. Snow level 600 feet. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain and snow likely, becoming all rain after 10am. Snow level 400 feet rising to 1100 feet in the afternoon. Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Washington's Birthday
Showers likely. Snow level 1400 feet. Mostly cloudy, with a high near 44. South southwest wind around 9 mph. Chance of precipitation is 70%.
Tonight
Rain and snow showers before 4am, then rain showers likely between 4am and 5am, then a chance of rain and snow showers after 5am. Snow level 1100 feet lowering to 600 feet after midnight . Low around 31. South wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow showers before 10am, then rain showers likely. Snow level 500 feet rising to 1200 feet in the afternoon. Mostly cloudy, with a high near 44. South wind 6 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow showers before 5am, then a chance of snow showers. Patchy fog after 10pm. Snow level 700 feet. Otherwise, mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
Rain likely, possibly mixed with snow showers, becoming all rain after 1pm. Snow level 300 feet rising to 1300 feet in the afternoon. Mostly cloudy, with a high near 44. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain showers before 1am, then rain, possibly mixed with snow showers. Snow level 900 feet. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Rain likely, possibly mixed with snow showers, becoming all rain after 1pm. Snow level 700 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain likely before 1am, then rain and snow likely. Snow level 600 feet. Mostly cloudy, with a low around 28.
Friday
Rain and snow likely, becoming all rain after 10am. Snow level 400 feet rising to 1100 feet in the afternoon. Mostly cloudy, with a high near 44.
Friday Night
A chance of rain. Snow level 1300 feet. Mostly cloudy, with a low around 31.
Saturday
A chance of rain. Snow level 1000 feet rising to 1900 feet in the afternoon. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34.
Sunday
Rain. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 35.
Monday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
Last Update:
3:41 pm PST Feb 16, 2026
Forecast Valid:
4pm PST Feb 16, 2026-6pm PST Feb 23, 2026
 
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