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

61°F

16°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Jun 03:25 AM PDT
Extended Forecast for

4 Miles SE Hillsboro OR

  • Today

    Today: Mostly sunny, with a high near 91. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 78. Light and variable wind.

    High: 78 °F

    Cloudy

  • Thursday Night

    Thursday Night: Showers, mainly after 11pm. Low around 54. Light and variable wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. High near 68. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of rain. Mostly cloudy, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 91. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Cloudy, with a high near 78. Light and variable wind.
Thursday Night
Showers, mainly after 11pm. Low around 54. Light and variable wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 11am. High near 68. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
Showers, with thunderstorms also possible after 11am. High near 66. Chance of precipitation is 90%.
Saturday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 71.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Hillsboro OR
 45.5°N 122.88°W (Elev. 200 ft)
Last Update:
3:41 am PDT Jun 24, 2026
Forecast Valid:
4am PDT Jun 24, 2026-6pm PDT Jun 30, 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