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

N/A

Humidity 82%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 24 Jun 04:55 AM PDT
Extended Forecast for

4 Miles ENE Hillsboro OR

  • Today

    Today: Showers and possibly a thunderstorm. High near 67. South southwest wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely then
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 69. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 50. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 50 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 70.

    High: 70 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 67. South southwest wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 69. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 50. West northwest wind 5 to 9 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Cloudy, then gradually becoming mostly sunny, 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 chance of rain. Mostly cloudy, with a high near 70.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Friday
A slight chance of rain. Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Hillsboro OR
 45.56°N 122.87°W (Elev. 200 ft)
Last Update:
9:41 am PDT Jun 27, 2026
Forecast Valid:
9am PDT Jun 27, 2026-6pm PDT Jul 3, 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