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

Portland, Portland-Troutdale Airport (KTTD)

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

Clear

57°F

14°C

Humidity 50%
Wind Speed W 4 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 May 10:30 PM PDT
Extended Forecast for

3 Miles NNE Happy Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Calm wind becoming north northwest 5 to 9 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Northwest wind 5 to 11 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. North northwest wind 5 to 9 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. North northwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming north northwest 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 50. Northwest wind 5 to 11 mph.
Wednesday
Mostly sunny, with a high near 71. North northwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 50. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 51. Breezy.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Memorial Day
A chance of rain. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Happy Valley OR
 45.49°N 122.5°W (Elev. 587 ft)
Last Update:
10:41 pm PDT May 18, 2026
Forecast Valid:
10pm PDT May 18, 2026-6pm PDT May 25, 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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation