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

81°F

27°C

Humidity 42%
Wind Speed NNW 13 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Aug 06:53 PM PDT
Extended Forecast for

4 Miles ENE Hillsboro OR

  • Tonight

    Tonight: Patchy smoke before 4am. Mostly clear, with a low around 58. North northwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Patchy Smoke

  • Friday

    Friday: Patchy smoke after 11am. Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 56. Light north northwest wind.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

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

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke before 4am. Mostly clear, with a low around 58. North northwest wind around 6 mph becoming calm in the evening.
Friday
Patchy smoke after 11am. Mostly sunny, with a high near 85. Calm wind.
Friday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 56. Light north northwest wind.
Saturday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.
Saturday Night
Partly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A slight chance of rain. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Hillsboro OR
 45.56°N 122.87°W (Elev. 200 ft)
Last Update:
6:41 pm PDT Aug 13, 2026
Forecast Valid:
7pm PDT Aug 13, 2026-6pm PDT Aug 20, 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