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Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Fog

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 43°F (6°C)
Visibility 0.24 mi
Last update 30 Jan 02:10 AM PST
Extended Forecast for

Hillsboro OR

  • Overnight

    Overnight: Areas of fog. Otherwise, cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Friday

    Friday: Rain. Patchy fog before 10am. High near 53. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%.

    High: 53 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of rain before 8pm, then a chance of rain after midnight. Patchy fog. Otherwise, mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 30%.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, cloudy through mid morning, then becoming mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Patchy fog before midnight, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 60%.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Rain. Patchy fog before 10am. High near 55. Chance of precipitation is 90%.

    High: 55 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A chance of rain. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain
    and Areas Fog

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog

Detailed Forecast

Overnight
Areas of fog. Otherwise, cloudy, with a low around 43. Calm wind.
Friday
Rain. Patchy fog before 10am. High near 53. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%.
Friday Night
A slight chance of rain before 8pm, then a chance of rain after midnight. Patchy fog. Otherwise, mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 30%.
Saturday
Areas of fog before 10am. Otherwise, cloudy through mid morning, then becoming mostly sunny, with a high near 59. Calm wind.
Saturday Night
Rain likely, mainly after 4am. Patchy fog before midnight, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 60%.
Sunday
Rain. Patchy fog before 10am. High near 55. Chance of precipitation is 90%.
Sunday Night
Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
A chance of rain. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 55.
Monday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 39.
Tuesday
Areas of fog before 8am. Otherwise, partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 60.
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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:
2:21 am PST Jan 30, 2026
Forecast Valid:
2am PST Jan 30, 2026-6pm PST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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