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

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Clear

57°F

14°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 03 Aug 02:20 AM PDT
Extended Forecast for

Happy Valley OR

Heat Advisory August 4, 12:00pm until August 5, 11:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 52. Light north wind.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Widespread smoke, mainly after 3pm. Sunny, with a high near 87. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Smoke

  • Monday Night

    Monday Night: Widespread smoke, mainly before 7pm. Clear, with a low around 59. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Smoke

  • Tuesday

    Tuesday: Sunny, with a high near 96. North northeast wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. North northeast wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Light north wind.
Monday
Widespread smoke, mainly after 3pm. Sunny, with a high near 87. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Widespread smoke, mainly before 7pm. Clear, with a low around 59. North wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 96. North northeast wind 7 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 63. North northeast wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 96.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.43°N 122.55°W (Elev. 423 ft)
Last Update:
2:01 am PDT Aug 3, 2026
Forecast Valid:
2am PDT Aug 3, 2026-6pm PDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation