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

2 Miles WSW Hillsboro OR

Frost Advisory April 16, 01:00am until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Overnight

    Overnight: Rain likely, mainly before 4am.  Snow level 2600 feet lowering to 2000 feet. Cloudy, with a low around 39. Northwest wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Snow level 1800 feet. High near 51. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 10pm.  Patchy fog before 4am, then patchy fog after 5am. Patchy frost after 1am. Snow level 1700 feet.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely then
    Patchy Frost
    and Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers after 11am.  Patchy fog before 9am. Areas of frost before 9am. Snow level 2000 feet rising to 3200 feet in the afternoon.  Otherwise, partly sunny, with a high near 56. Light south southwest wind.

    High: 56 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 38. West wind around 5 mph becoming calm  in the evening.

    Low: 38 °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 40.

    Low: 40 °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 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Rain likely, mainly before 4am. Snow level 2600 feet lowering to 2000 feet. Cloudy, with a low around 39. Northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Snow level 1800 feet. High near 51. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 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 and thunderstorms likely, mainly before 10pm. Patchy fog before 4am, then patchy fog after 5am. Patchy frost after 1am. Snow level 1700 feet. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers after 11am. Patchy fog before 9am. Areas of frost before 9am. Snow level 2000 feet rising to 3200 feet in the afternoon. Otherwise, partly sunny, with a high near 56. Light south southwest wind.
Thursday Night
Increasing clouds, with a low around 38. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 40.
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 48.
Sunday
A chance of rain. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 47.
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 47.
Tuesday
A chance of rain. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
2:41 am PDT Apr 15, 2026
3am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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