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.

Overcast

46°F

8°C

Humidity 87%
Wind Speed WSW 3 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 May 08:00 AM PDT
Extended Forecast for

3 Miles NNE Happy Valley OR

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 64. West southwest wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 64 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 45. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 45 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Breezy, with a north northwest wind 10 to 15 mph becoming light west northwest after midnight. Winds could gust as high as 22 mph.

    Low: 46 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

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

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 64. West southwest wind 5 to 8 mph becoming north northwest in the afternoon.
Tonight
Increasing clouds, with a low around 45. North northwest wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. Breezy, with a north northwest wind 10 to 15 mph becoming light west northwest after midnight. Winds could gust as high as 22 mph.
Tuesday
Partly sunny, with a high near 68. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 50. Breezy.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 79.
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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:
7:42 am PDT May 17, 2026
Forecast Valid:
8am PDT May 17, 2026-6pm PDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation