National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Partly Cloudy

80°F

27°C

Humidity 40%
Wind Speed NW 9 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Jul 03:53 PM PDT
Extended Forecast for

Cedar Hills OR

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. North northwest wind 5 to 7 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 80. North wind 3 to 7 mph.

    High: 80 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. North northwest wind 5 to 7 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Northwest wind 5 to 8 mph becoming calm after midnight.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 54. North northwest wind 5 to 7 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 80. North wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 54. North northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cedar Hills OR
 45.53°N 122.8°W (Elev. 361 ft)
Last Update:
3:41 pm PDT Jul 10, 2026
Forecast Valid:
4pm PDT Jul 10, 2026-6pm PDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation