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

63°F

17°C

Humidity 59%
Wind Speed SSE 8 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Apr 04:20 PM PDT
Extended Forecast for

3 Miles WSW Cedar Hills OR

  • This Afternoon

    This Afternoon: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 75. West wind around 6 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 47. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 11am, then showers likely after 11am. Cloudy, with a high near 59. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 75. West wind around 6 mph.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, mainly before 2pm. Cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely before 11am, then showers likely after 11am. Cloudy, with a high near 59. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 74.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 70.
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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:
3:41 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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