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

39°F

4°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Apr 01:00 AM PDT
Extended Forecast for

Hillsboro OR

Frost Advisory until April 17, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 17, 09:00am

    NOW until 9:00am Fri

    Frost Advisory

  • Overnight

    Low: 35 °F

    Patchy Frost
    and Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Patchy frost before 8am. Otherwise, partly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Patchy Frost
    and Patchy
    Fog then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 11am. Mostly cloudy, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy fog between 3am and 4am. Patchy frost after 3am. Otherwise, partly cloudy, with a low around 35. Calm wind.
Friday
Patchy fog before 8am. Patchy frost before 8am. Otherwise, partly sunny, with a high near 60. Calm wind.
Friday Night
Mostly cloudy, with a low around 40. Calm wind.
Saturday
Partly sunny, with a high near 70. Calm wind.
Saturday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 49. Light and variable wind.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
A slight chance of showers after 11am. Mostly cloudy, with a high near 73.
Monday Night
A chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Mostly cloudy, with a high near 66.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
Last Update:
12:41 am PDT Apr 17, 2026
Forecast Valid:
1am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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