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

61°F

16°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 02:35 AM PDT
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. North northwest wind 3 to 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 82. North northwest wind 3 to 6 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. North northeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 55. North northwest wind 6 to 8 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 80.

    High: 80 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. North northwest wind 3 to 5 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 82. North northwest wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 57. North northeast wind 3 to 6 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 55. North northwest wind 6 to 8 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 59.
Friday
Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
Last Update:
2:41 am PDT Aug 17, 2026
Forecast Valid:
2am PDT Aug 17, 2026-6pm PDT Aug 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation