National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

66°F

19°C

Humidity 37%
Wind Speed NNW 9 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Oct 04:35 PM PDT
Extended Forecast for

Cedar Hills OR

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. Light north northwest wind.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 66. Light north wind.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62. Calm wind.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. Light north northwest wind.
Sunday
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 66. Light north wind.
Sunday Night
Mostly cloudy, with a low around 45. Calm wind.
Monday
Mostly cloudy, with a high near 62. Calm wind.
Monday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 68.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A slight chance of rain. Partly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A slight chance of rain. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cedar Hills OR
 45.5°N 122.82°W (Elev. 200 ft)
Last Update:
4:41 pm PDT Oct 17, 2026
Forecast Valid:
4pm PDT Oct 17, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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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