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Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Clear

43°F

6°C

Humidity 70%
Wind Speed WNW 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 27 Jan 12:30 PM PST
Extended Forecast for

Hillsboro OR

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 49. East southeast wind 3 to 5 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain. Low around 38. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain. High near 51. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 45. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain

  • Thursday

    Thursday: Rain. High near 54. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain likely. Cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before 4pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 49. East southeast wind 3 to 5 mph.
Tonight
Rain. Low around 38. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 51. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 80%.
Wednesday Night
Rain. Low around 45. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 54. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
Rain likely. Cloudy, with a high near 55. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain before 4pm. Mostly cloudy, with a high near 58.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 41.
Sunday
A chance of rain. Mostly cloudy, with a high near 55.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
Last Update:
12:42 pm PST Jan 27, 2026
Forecast Valid:
12pm PST Jan 27, 2026-6pm PST Feb 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