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

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

haze,smoke

79°F

26°C

Humidity 29%
Wind Speed NNE 11 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Heat Index79°F (26°C)
Last update 03 Aug 01:15 PM PDT
Extended Forecast for

Cedar Hills OR

Heat Advisory August 4, 12:00pm until August 5, 11:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Widespread smoke, mainly before 3pm. Sunny, with a high near 88. North northeast wind around 9 mph, with gusts as high as 18 mph.

    High: 88 °F

    Smoke

  • Tonight

    Tonight: Areas of smoke. Clear, with a low around 60. North wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Areas Smoke

  • Tuesday

    Tuesday: Areas of smoke. Sunny, with a high near 97. Northeast wind 5 to 8 mph.

    High: 97 °F

    Areas Smoke

  • Tuesday Night

    Tuesday Night: Areas of smoke. Mostly clear, with a low around 64. North wind 3 to 8 mph.

    Low: 64 °F

    Areas Smoke

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Light north northeast wind.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
Widespread smoke, mainly before 3pm. Sunny, with a high near 88. North northeast wind around 9 mph, with gusts as high as 18 mph.
Tonight
Areas of smoke. Clear, with a low around 60. North wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday
Areas of smoke. Sunny, with a high near 97. Northeast wind 5 to 8 mph.
Tuesday Night
Areas of smoke. Mostly clear, with a low around 64. North wind 3 to 8 mph.
Wednesday
Sunny and hot, with a high near 100. Light north northeast wind.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 98.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 93.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cedar Hills OR
 45.49°N 122.78°W (Elev. 364 ft)
Last Update:
12:41 pm PDT Aug 3, 2026
Forecast Valid:
1pm PDT Aug 3, 2026-6pm PDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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