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

75°F

24°C

Humidity 39%
Wind Speed NNW 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 28 Aug 02:53 PM PDT
Extended Forecast for

4 Miles NNW Cedar Hills OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Northwest wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Mostly cloudy through mid morning, then becoming sunny, with a high near 74. Calm wind becoming west around 6 mph in the afternoon.

    High: 74 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog between 2am and 3am. Otherwise, increasing clouds, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Northwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 53. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers before 9am. Mostly cloudy through mid morning, then becoming sunny, with a high near 74. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Patchy fog between 2am and 3am. Otherwise, increasing clouds, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A slight chance of rain after 11am. Partly sunny, with a high near 77.
Tuesday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 54.
Wednesday
Rain likely. Mostly cloudy, with a high near 67.
Wednesday Night
Rain. Mostly cloudy, with a low around 52.
Thursday
Rain likely. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Cedar Hills OR
 45.57°N 122.84°W (Elev. 299 ft)
Last Update:
2:41 pm PDT Aug 28, 2026
Forecast Valid:
3pm PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation