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.

Partly Cloudy

56°F

13°C

Humidity 93%
Wind Speed NW 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 03 Oct 10:53 PM PDT
Extended Forecast for

Hillsboro OR

  • Tonight

    Tonight: A 50 percent chance of showers. Mostly cloudy, with a low around 51. Light west southwest wind.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 9am, then a chance of showers after 11am. Partly sunny, with a high near 68. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before 11pm. Partly cloudy, with a low around 46. Northwest wind 3 to 6 mph.

    Low: 46 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Light north wind becoming northeast 6 to 11 mph in the morning.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. North wind 6 to 10 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers. Mostly cloudy, with a low around 51. Light west southwest wind.
Saturday
A chance of showers before 9am, then a chance of showers after 11am. Partly sunny, with a high near 68. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
A 40 percent chance of showers before 11pm. Partly cloudy, with a low around 46. Northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 71. Light north wind becoming northeast 6 to 11 mph in the morning.
Sunday Night
Clear, with a low around 45. North wind 6 to 10 mph.
Monday
Sunny, with a high near 76.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
A slight chance of showers after 11am. Mostly sunny, with a high near 70.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48.
Friday
A chance of showers. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
Last Update:
10:46 pm PDT Oct 3, 2025
Forecast Valid:
11pm PDT Oct 3, 2025-6pm PDT Oct 10, 2025
 
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