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

64°F

18°C

Humidity 77%
Wind Speed NW 10 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Aug 11:35 PM PDT
Extended Forecast for

North Plains OR

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northwest wind around 6 mph becoming calm after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy smoke after 1pm. Partly sunny, then gradually becoming sunny, with a high near 86. Light north wind.

    High: 86 °F

    Partly Sunny
    then Patchy
    Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 86.

    High: 86 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Patchy smoke after 1pm. Partly sunny, then gradually becoming sunny, with a high near 86. Light north wind.
Thursday Night
Mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 56.
Monday
A slight chance of rain. Partly sunny, with a high near 87.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Plains OR
 45.59°N 123°W (Elev. 184 ft)
Last Update:
11:41 pm PDT Aug 11, 2026
Forecast Valid:
11pm PDT Aug 11, 2026-6pm PDT Aug 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation