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.

Clear

50°F

10°C

Humidity 87%
Wind Speed S 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 May 03:35 AM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Overnight

    Overnight: Mostly clear, with a low around 50. Light northwest wind.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North wind 5 to 8 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 75.

    High: 75 °F

    Increasing
    Clouds

  • Sunday Night

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

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Light northwest wind.
Thursday
Sunny, with a high near 82. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. North wind 5 to 8 mph becoming calm after midnight.
Friday
Sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Increasing clouds, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 49.
Memorial Day
Rain likely, mainly after 11am. Mostly cloudy, with a high near 61.
Monday Night
A chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain and thunderstorms. Partly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
Last Update:
3:41 am PDT May 21, 2026
Forecast Valid:
3am PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation