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

48°F

9°C

Humidity 82%
Wind Speed S 12 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 14 Apr 01:53 PM PDT
Extended Forecast for

5 Miles S Scappoose Industrial Apk (1s4) OR

  • This Afternoon

    This Afternoon: Rain. High near 52. South southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Tonight

    Tonight: Rain before 3am, then rain, possibly mixed with snow. Snow level 4400 feet lowering to 1800 feet after midnight . Low around 39. South southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. Snow level 1900 feet. High near 51. 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 between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Snow level 1700 feet. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 11am. Snow level 1700 feet rising to 3100 feet in the afternoon. Partly sunny, with a high near 56. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain. High near 52. South southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 3am, then rain, possibly mixed with snow. Snow level 4400 feet lowering to 1800 feet after midnight . Low around 39. South southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain and possibly a thunderstorm before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. Snow level 1900 feet. High near 51. 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 between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Snow level 1700 feet. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers after 11am. Snow level 1700 feet rising to 3100 feet in the afternoon. Partly sunny, with a high near 56. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
A slight chance of rain after 11am. Mostly cloudy, with a high near 64.
Saturday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49.
Sunday
Rain likely. Mostly cloudy, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Scappoose Industrial Apk (1s4) OR
 45.69°N 122.87°W (Elev. 171 ft)
Last Update:
2:01 pm PDT Apr 14, 2026
Forecast Valid:
2pm PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation