Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Clear

90°F

32°C

Humidity 29%
Wind Speed N 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Jul 04:00 PM PDT
Extended Forecast for

4 Miles E North Plains OR

Heat Advisory July 15, 04:22pm until July 16, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 04:22pm until July 16, 10:00pm

    NOW until 10:00pm Wed

    Heat Advisory

  • Tonight

    Low: 64 °F

    Haze then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Calm wind becoming northeast around 6 mph in the morning.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. North wind around 6 mph becoming calm  after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57. Light north northwest wind.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

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

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Tonight
Widespread haze between 7pm and 8pm. Areas of smoke before 7pm. Clear, with a low around 64. North wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 97. Calm wind becoming northeast around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 56. North wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 90. Calm wind.
Thursday Night
Clear, with a low around 57. Light north northwest wind.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E North Plains OR
 45.6°N 122.94°W (Elev. 256 ft)
3:42 pm PDT Jul 15, 2025
4pm PDT Jul 15, 2025-6pm PDT Jul 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database