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

81°F

27°C

Humidity 44%
Wind Speed NNW 12 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Aug 07:00 PM PDT
Extended Forecast for

Hillsboro OR

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 57. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Patchy Smoke

  • Friday

    Friday: Patchy smoke after 11am. Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Calm wind becoming north northwest around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke. Mostly clear, with a low around 57. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy smoke after 11am. Mostly sunny, with a high near 86. Calm wind.
Friday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.
Saturday Night
Partly cloudy, with a low around 55. Calm wind becoming north northwest around 5 mph.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A slight chance of rain. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.93°W (Elev. 200 ft)
Last Update:
6:41 pm PDT Aug 13, 2026
Forecast Valid:
7pm PDT Aug 13, 2026-6pm PDT Aug 20, 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