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.

Clear

73°F

23°C

Humidity 40%
Wind Speed NNW 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 May 05:20 PM PDT
Extended Forecast for

3 Miles SSW Cedar Hills OR

  • Tonight

    Tonight: Mostly clear, with a low around 49. North northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. Light west southwest wind.

    Low: 54 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Rain after 11am. High near 66. South wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Rain

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. North northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 80. Calm wind.
Sunday Night
Mostly cloudy, with a low around 54. Light west southwest wind.
Memorial Day
Rain after 11am. High near 66. South wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely. Mostly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 64. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 52.
Friday
A slight chance of rain. Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Cedar Hills OR
 45.46°N 122.84°W (Elev. 348 ft)
Last Update:
4:41 pm PDT May 23, 2026
Forecast Valid:
5pm PDT May 23, 2026-6pm PDT May 30, 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