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 51%
Wind Speed N 0 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Apr 11:00 AM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Today

    Today: Partly sunny, with a high near 73. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 50. Light west wind. Chance of precipitation is 60%.

    Low: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Cloudy, with a high near 60. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 46. Light west northwest wind.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 11am, then showers likely after 11am. Cloudy, with a high near 58. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 50. Light west wind. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 2pm. Cloudy, with a high near 60. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 46. Light west northwest wind.
Wednesday
Rain likely before 11am, then showers likely after 11am. Cloudy, with a high near 58. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
Last Update:
10:41 am PDT Apr 20, 2026
Forecast Valid:
11am PDT Apr 20, 2026-6pm PDT Apr 26, 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