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

Portland-Hillsboro Airport (KHIO)

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

Rain

61°F

16°C

Humidity 87%
Wind Speed SSE 5 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 29 Sep 04:30 PM PDT
Extended Forecast for

5 Miles NNW Cedar Hills OR

  • This Afternoon

    This Afternoon: Showers likely. Cloudy, with a steady temperature around 64. South southwest wind around 6 mph. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 51. South southeast wind 3 to 5 mph.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after noon. High near 68. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Mostly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 54. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 66. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely. Cloudy, with a steady temperature around 64. South southwest wind around 6 mph. Chance of precipitation is 70%.
Tonight
A 30 percent chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 51. South southeast wind 3 to 5 mph.
Tuesday
Showers, mainly after noon. High near 68. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 54. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 66. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 65. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 68.
Friday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50.
Saturday
A slight chance of showers. Partly sunny, with a high near 67.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cedar Hills OR
 45.57°N 122.84°W (Elev. 299 ft)
Last Update:
4:41 pm PDT Sep 29, 2025
Forecast Valid:
4pm PDT Sep 29, 2025-6pm PDT Oct 6, 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