Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Clear

64°F

18°C

Humidity 48%
Wind Speed S 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 24 May 11:35 AM PDT
Extended Forecast for

Hillsboro OR

  • Today

    Today: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Light and variable wind.

    Low: 50 °F

    Increasing
    Clouds

  • Memorial Day

    Memorial Day: Rain and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm.  High near 63. South wind 6 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Chance Rain
    then Showers

  • Monday Night

    Monday Night: A chance of rain before 7pm, then showers likely, mainly after 11pm.  Mostly cloudy, with a low around 45. South wind 9 to 11 mph.  Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 65. South wind 5 to 8 mph becoming calm  in the morning.  Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm.  Partly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Calm wind.
Tonight
Increasing clouds, with a low around 50. Light and variable wind.
Memorial Day
Rain and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 63. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of rain before 7pm, then showers likely, mainly after 11pm. Mostly cloudy, with a low around 45. South wind 9 to 11 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 65. South wind 5 to 8 mph becoming calm in the morning. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A slight chance of rain. Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
11:41 am PDT May 24, 2026
11am PDT May 24, 2026-6pm PDT May 30, 2026
 
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Additional Resources

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