National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Clear

54°F

12°C

Humidity 50%
Wind Speed ENE 13 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Oct 08:53 PM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

Frost Advisory October 14, 12:00am until October 14, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Clear, with a low around 39. North northwest wind 5 to 7 mph.

    Low: 39 °F

    Clear

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 65. North northwest wind 5 to 10 mph becoming northeast in the morning.

    High: 65 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38. North wind around 6 mph becoming calm after midnight.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Calm wind.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 39. North northwest wind 5 to 7 mph.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 65. North northwest wind 5 to 10 mph becoming northeast in the morning.
Tuesday Night
Clear, with a low around 38. North wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 66. Calm wind.
Wednesday Night
Mostly clear, with a low around 40. Calm wind.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 47.
Friday
A chance of showers before 11am. Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 64.
Saturday Night
Rain likely. Mostly cloudy, with a low around 49.
Sunday
Rain. Mostly cloudy, with a high near 59.
Sunday Night
Rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain. Partly sunny, with a high near 60.
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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:
8:41 pm PDT Oct 13, 2025
Forecast Valid:
9pm PDT Oct 13, 2025-6pm PDT Oct 20, 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