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

78°F

26°C

Humidity 45%
Wind Speed NNE 9 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Aug 06:53 PM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 58.

    Low: 58 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, then becoming mostly cloudy during the afternoon, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84. Calm wind.
Tuesday Night
Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Increasing clouds, with a low around 58.
Friday
Mostly cloudy, with a high near 82.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Saturday
A slight chance of rain. Partly sunny, with a high near 77.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Sunday
A slight chance of rain. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
Last Update:
6:41 pm PDT Aug 16, 2026
Forecast Valid:
7pm PDT Aug 16, 2026-6pm PDT Aug 23, 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