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.

Overcast

64°F

18°C

Humidity 67%
Wind Speed NW 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Aug 08:35 AM PDT
Extended Forecast for

2 Miles WSW Cedar Hills OR

  • Today

    Today: Partly sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain between 9pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 63. West wind around 6 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely before 11am, then a chance of rain after 11am. Cloudy, with a high near 76. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Rain. Low around 65. South southwest wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Rain

  • Saturday

    Saturday: Showers likely, mainly before 11am. Partly sunny, with a high near 80. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 80 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon.
Tonight
A slight chance of rain between 9pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 63. West wind around 6 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely before 11am, then a chance of rain after 11am. Cloudy, with a high near 76. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 65. South southwest wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 11am. Partly sunny, with a high near 80. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Cedar Hills OR
 45.5°N 122.85°W (Elev. 200 ft)
Last Update:
8:41 am PDT Aug 14, 2025
Forecast Valid:
8am PDT Aug 14, 2025-6pm PDT Aug 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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