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

55°F

13°C

Humidity 87%
Wind Speed W 4 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Apr 12:35 AM PDT
Extended Forecast for

3 Miles WSW Cedar Hills OR

  • Overnight

    Overnight: Rain likely, mainly between 2am and 4am. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 2pm. Cloudy, with a high near 61. Light west northwest wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before 9pm, then a chance of rain after midnight. Mostly cloudy, with a low around 47. Light west wind. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 59. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 9 mph becoming light south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °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 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Overnight
Rain likely, mainly between 2am and 4am. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly before 2pm. Cloudy, with a high near 61. Light west northwest wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of rain before 9pm, then a chance of rain after midnight. Mostly cloudy, with a low around 47. Light west wind. Chance of precipitation is 40%.
Wednesday
Rain. High near 59. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 9 mph becoming light south southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 71.
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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:
12:41 am PDT Apr 21, 2026
Forecast Valid:
12am PDT Apr 21, 2026-6pm PDT Apr 27, 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