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.

Overcast

54°F

12°C

Humidity 71%
Wind Speed SW 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 30 Oct 04:15 PM PDT
Extended Forecast for

2 Miles SE Cedar Hills OR

Frost Advisory October 31, 12:00am until October 31, 09:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Showers likely. Partly sunny, with a high near 53. Calm wind. Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 55. Calm wind.

    High: 55 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely. Partly sunny, with a high near 53. Calm wind. Chance of precipitation is 60%.
Tonight
Partly cloudy, with a low around 38. Calm wind.
Saturday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. Calm wind.
Saturday Night
Mostly cloudy, with a low around 40. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 55. Calm wind.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 55.
Monday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Cedar Hills OR
 45.49°N 122.78°W (Elev. 364 ft)
Last Update:
3:41 pm PDT Oct 30, 2026
Forecast Valid:
4pm PDT Oct 30, 2026-6pm PST Nov 6, 2026
 
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