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

63°F

17°C

Humidity 77%
Wind Speed E 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Aug 12:53 AM PDT
Extended Forecast for

3 Miles NNE Happy Valley OR

  • Overnight

    Overnight: Mostly clear, with a low around 58. Light west wind.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 61. North northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, with a high near 82. Light west wind.

    High: 82 °F

    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 59. Light west wind becoming south southwest 5 to 10 mph after midnight.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 75.

    High: 75 °F

    Decreasing
    Clouds

  • Sunday Night

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

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Light west wind.
Thursday
Sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 61. North northwest wind around 5 mph becoming calm in the evening.
Friday
Cloudy, with a high near 82. Light west wind.
Friday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 59. Light west wind becoming south southwest 5 to 10 mph after midnight.
Saturday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 78.
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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:
12:41 am PDT Aug 20, 2026
Forecast Valid:
1am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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