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

64°F

18°C

Humidity 48%
Wind Speed W 6 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 28 May 09:30 PM PDT
Extended Forecast for

Hillsboro OR

  • Tonight

    Tonight: A 20 percent chance of rain after 3am. Increasing clouds, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. North wind around 6 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 3am. Increasing clouds, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind.
Thursday Night
Mostly clear, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. North wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.95°W (Elev. 200 ft)
Last Update:
9:41 pm PDT May 28, 2025
Forecast Valid:
9pm PDT May 28, 2025-6pm PDT Jun 4, 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