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

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

70°F

21°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Jul 11:00 AM PDT
Extended Forecast for

3 Miles SSW Hillsboro OR

  • Today

    Today: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind.

    High: 78 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. North northwest wind 3 to 7 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

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

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind.
Tonight
Mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind.
Saturday Night
Partly cloudy, with a low around 52. North northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Hillsboro OR
 45.49°N 122.94°W (Elev. 200 ft)
Last Update:
10:41 am PDT Jul 10, 2026
Forecast Valid:
11am PDT Jul 10, 2026-6pm PDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation