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

57°F

14°C

Humidity 82%
Wind Speed WNW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Jun 04:55 AM PDT
Extended Forecast for

Hillsboro OR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers before 3pm. Mostly cloudy, with a high near 70. Southwest wind 7 to 9 mph.

    High: 70 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 66. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 68. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 68 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 30 percent chance of showers before 3pm. Mostly cloudy, with a high near 70. Southwest wind 7 to 9 mph.
Tonight
A 30 percent chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 66. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 68. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 71.
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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:
12:41 pm PDT Jun 26, 2026
Forecast Valid:
12pm PDT Jun 26, 2026-6pm PDT Jul 2, 2026
 
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