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.

rain,mist

48°F

9°C

Humidity 87%
Wind Speed S 14 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill42°F (6°C)
Last update 15 Apr 03:00 AM PDT
Extended Forecast for

5 Miles S Scappoose Industrial Apk (1s4) OR

  • Overnight

    Overnight: A 50 percent chance of rain. Snow level 2100 feet. Cloudy, with a low around 39. Northwest wind around 8 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Snow level 1800 feet. High near 50. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Areas of frost after 4am. Snow level 1700 feet. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely then
    Areas Frost

  • Thursday

    Thursday: A 30 percent chance of showers after 11am. Snow level 1900 feet rising to 3100 feet in the afternoon. Partly sunny, with a high near 55. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 55 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 40. West northwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Overnight
A 50 percent chance of rain. Snow level 2100 feet. Cloudy, with a low around 39. Northwest wind around 8 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Snow level 1800 feet. High near 50. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Areas of frost after 4am. Snow level 1700 feet. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers after 11am. Snow level 1900 feet rising to 3100 feet in the afternoon. Partly sunny, with a high near 55. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 40. West northwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 66.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49.
Sunday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 49.
Monday
A chance of rain. Partly sunny, with a high near 71.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Scappoose Industrial Apk (1s4) OR
 45.69°N 122.87°W (Elev. 171 ft)
Last Update:
2:41 am PDT Apr 15, 2026
Forecast Valid:
3am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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