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

66°F

19°C

Humidity 67%
Wind Speed SW 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Aug 11:53 PM PDT
Extended Forecast for

2 Miles WSW Cedar Hills OR

  • Overnight

    Overnight: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 77 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Patchy smoke between 9pm and 10pm. Partly cloudy, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. Calm wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Patchy smoke between 9pm and 10pm. Partly cloudy, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 78.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Tuesday
A chance of rain. Mostly cloudy, with a high near 74.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 54.
Wednesday
A chance of rain. Mostly cloudy, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Cedar Hills OR
 45.5°N 122.85°W (Elev. 200 ft)
Last Update:
11:41 pm PDT Aug 26, 2026
Forecast Valid:
12am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation