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

81°F

27°C

Humidity 36%
Wind Speed NE 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Jun 06:17 PM PDT
Extended Forecast for

2 Miles NNW Cedar Hills OR

Heat Advisory June 22, 11:00am until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 57. Light north northwest wind.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind becoming north 5 to 7 mph in the morning.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 63. North wind 5 to 9 mph becoming calm after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradual clearing during the afternoon, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Light north northwest wind.
Monday
Sunny, with a high near 94. Calm wind becoming north 5 to 7 mph in the morning.
Monday Night
Increasing clouds, with a low around 63. North wind 5 to 9 mph becoming calm after midnight.
Tuesday
Mostly cloudy, then gradual clearing during the afternoon, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. North northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 81.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 54.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 68.
Friday Night
A chance of rain. Mostly cloudy, with a low around 52.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 51.
Sunday
A slight chance of rain. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Cedar Hills OR
 45.53°N 122.83°W (Elev. 256 ft)
Last Update:
2:01 am PDT Jun 22, 2026
Forecast Valid:
2am PDT Jun 22, 2026-6pm PDT Jun 28, 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