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.

Partly Cloudy

75°F

24°C

Humidity 47%
Wind Speed NW 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Aug 06:00 PM PDT
Extended Forecast for

4 Miles NNW Cedar Hills OR

  • Tonight

    Tonight: Patchy smoke between 7pm and 9pm. Partly cloudy, with a low around 55. West northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 11am. Partly sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke between 7pm and 9pm. Partly cloudy, with a low around 55. West northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 53. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 73. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 74.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 70.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Thursday
A chance of rain. Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Cedar Hills OR
 45.57°N 122.84°W (Elev. 299 ft)
Last Update:
5:41 pm PDT Aug 27, 2026
Forecast Valid:
6pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation