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.

Clear

31°C

87°F

Humidity 41%
Wind Speed NW 14 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 16°C (61°F)
Visibility 16 km
Heat Index31°C (87°F)
Last update 12 Jul 06:53 PM PDT
Extended Forecast for

Hillsboro OR

Extreme Heat Watch July 15, 12:00pm until July 17, 12:00am
Heat Advisory July 13, 11:00am until July 13, 10:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 17. West northwest wind 13 to 21 km/h, with gusts as high as 29 km/h.

    Low: 17 °C

    Clear

  • Sunday

    Sunday: Sunny, with a high near 34. Breezy, with a north wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h.

    High: 34 °C

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. Breezy, with a northwest wind 22 to 27 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 45 km/h.

    Low: 15 °C

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 28. North northwest wind 10 to 16 km/h.

    High: 28 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12. North northwest wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 29 km/h.

    Low: 12 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 33.

    High: 33 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 16.

    Low: 16 °C

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35.

    High: 35 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 14.

    Low: 14 °C

    Clear

Detailed Forecast

Tonight
Clear, with a low around 17. West northwest wind 13 to 21 km/h, with gusts as high as 29 km/h.
Sunday
Sunny, with a high near 34. Breezy, with a north wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h.
Sunday Night
Mostly clear, with a low around 15. Breezy, with a northwest wind 22 to 27 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 45 km/h.
Monday
Sunny, with a high near 28. North northwest wind 10 to 16 km/h.
Monday Night
Mostly clear, with a low around 12. North northwest wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 29 km/h.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Clear, with a low around 16.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Clear, with a low around 14.
Thursday
Sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 14.
Friday
Sunny, with a high near 31.
Friday Night
Clear, with a low around 13.
Saturday
Sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 m)
Last Update:
6:41 pm PDT Jul 12, 2025
Forecast Valid:
7pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation