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.

Clear

93°F

34°C

Humidity 30%
Wind Speed NNE 11 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 10 Aug 07:20 PM PDT
Extended Forecast for

3 Miles WSW Cedar Hills OR

Extreme Heat Warning August 10, 07:37pm until August 12, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 10, 07:37pm until August 12, 10:00pm

    NOW until 10:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 67 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. Calm wind becoming north around 6 mph in the afternoon.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 69. North wind around 6 mph becoming calm after midnight.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Light north northwest wind.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63. Northwest wind around 6 mph becoming calm after midnight.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 67. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Monday
Sunny and hot, with a high near 101. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Clear, with a low around 69. North wind around 6 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 100. Light north northwest wind.
Tuesday Night
Clear, with a low around 63. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A slight chance of rain. Partly sunny, with a high near 77.
Friday Night
A chance of rain. Mostly cloudy, with a low around 62.
Saturday
A slight chance of rain. Partly sunny, with a high near 81.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 60.
Sunday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Cedar Hills OR
 45.5°N 122.88°W (Elev. 200 ft)
Last Update:
6:41 pm PDT Aug 10, 2025
Forecast Valid:
7pm PDT Aug 10, 2025-6pm PDT Aug 17, 2025
 
Forecast Discussion
 
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Additional Resources

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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