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

46°F

8°C

Humidity 65%
Wind Speed NE 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Oct 06:00 AM PDT
Extended Forecast for

3 Miles WSW Cedar Hills OR

Frost Advisory October 14, 06:29am until October 14, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 14, 06:29am until October 14, 09:00am

    NOW until 9:00am Tue

    Frost Advisory

  • Today

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. North northeast wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Calm wind.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 65. Northeast wind 6 to 9 mph.
Tonight
Clear, with a low around 38. North northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 66. Calm wind.
Wednesday Night
Mostly clear, with a low around 41. Calm wind.
Thursday
Mostly sunny, with a high near 62. Calm wind.
Thursday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 48.
Friday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 65.
Saturday Night
Rain, mainly after 11pm. Mostly cloudy, with a low around 49.
Sunday
Showers. Cloudy, with a high near 58.
Sunday Night
Showers. Mostly cloudy, with a low around 44.
Monday
A chance of showers. Partly sunny, with a high near 59.
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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:
5:46 am PDT Oct 14, 2025
Forecast Valid:
6am PDT Oct 14, 2025-6pm PDT Oct 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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