National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Rain

59°F

15°C

Humidity 89%
Wind Speed SSE 11 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 24 Sep 09:53 PM PDT
Extended Forecast for

4 Miles ENE Hillsboro OR

Wind Advisory September 25, 03:00am until September 25, 11:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain before 4am, then a chance of showers after 5am. Low around 54. Light south southeast wind becoming south 9 to 14 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 62. Breezy, with a south wind 16 to 21 mph becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 64. Calm wind becoming north around 5 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. North wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain before 4am, then a chance of showers after 5am. Low around 54. Light south southeast wind becoming south 9 to 14 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 62. Breezy, with a south wind 16 to 21 mph becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 64. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 47. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Hillsboro OR
 45.54°N 122.86°W (Elev. 200 ft)
Last Update:
9:41 pm PDT Sep 24, 2026
Forecast Valid:
10pm PDT Sep 24, 2026-6pm PDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation