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

74°F

23°C

Humidity 51%
Wind Speed WSW 9 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Aug 08:53 PM PDT
Extended Forecast for

4 Miles ENE Hillsboro OR

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 78 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Light north northwest wind.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 78. Light north northwest wind.
Friday Night
Partly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A slight chance of rain. Partly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of rain. Mostly cloudy, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Hillsboro OR
 45.54°N 122.86°W (Elev. 200 ft)
Last Update:
8:41 pm PDT Aug 26, 2026
Forecast Valid:
9pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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