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

57°F

14°C

Humidity 41%
Wind Speed WNW 8 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 12:53 AM PDT
Extended Forecast for

4 Miles E North Plains OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: A chance of rain before 10pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 49. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 49 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely. Mostly 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

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 46. West northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Calm wind.
Monday
A 30 percent chance of rain after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A chance of rain before 10pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 49. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
Rain likely. Mostly 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. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Clear, with a low around 42.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E North Plains OR
 45.6°N 122.94°W (Elev. 256 ft)
Last Update:
12:41 am PDT Apr 20, 2026
Forecast Valid:
1am 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