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Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Rain

50°F

10°C

Humidity 89%
Wind Speed E 8 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 29 Jan 10:53 AM PST
Extended Forecast for

Hillsboro OR

  • Today

    Today: Rain likely, mainly between noon and 4pm. Cloudy, with a high near 54. South southeast wind 3 to 5 mph. Chance of precipitation is 70%.

    High: 54 °F

    Rain Likely

  • Tonight

    Tonight: A chance of rain before 8pm, then a slight chance of rain after 4am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 42. Calm wind. Chance of precipitation is 30%.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: Rain likely, mainly between 10am and 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 53. Light south wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 40 percent chance of rain before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 58. Calm wind.

    High: 58 °F

    Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain likely, mainly after 10am. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A slight chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Today
Rain likely, mainly between noon and 4pm. Cloudy, with a high near 54. South southeast wind 3 to 5 mph. Chance of precipitation is 70%.
Tonight
A chance of rain before 8pm, then a slight chance of rain after 4am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 42. Calm wind. Chance of precipitation is 30%.
Friday
Rain likely, mainly between 10am and 4pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 53. Light south wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 40 percent chance of rain before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Saturday
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 58. Calm wind.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42.
Sunday
Rain likely, mainly after 10am. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Sunday Night
A chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 41.
Monday
A slight chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 52.
Monday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 38.
Tuesday
Areas of fog. Otherwise, partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 58.
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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:
10:41 am PST Jan 29, 2026
Forecast Valid:
11am PST Jan 29, 2026-6pm PST Feb 4, 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