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

73°F

23°C

Humidity 56%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 12:35 PM PDT
Extended Forecast for

North Plains OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Calm wind becoming north northwest around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86. Light north wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 52. North northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain before 11am. Partly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Calm wind becoming north northwest around 5 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86. Light north wind.
Tuesday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 52. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 53.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A slight chance of rain before 11am. Partly sunny, with a high near 83.
Friday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 53.
Saturday
A slight chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 80.
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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:
12:41 pm PDT Aug 17, 2026
Forecast Valid:
12pm PDT Aug 17, 2026-6pm PDT Aug 23, 2026
 
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Additional Resources

Radar & Satellite Image

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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