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

70°F

21°C

Humidity 64%
Wind Speed NW 4 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Aug 12:15 PM PDT
Extended Forecast for

3 Miles NNE Happy Valley OR

  • This Afternoon

    This Afternoon: Patchy smoke after 2pm. Sunny, with a high near 82. West northwest wind 3 to 5 mph.

    High: 82 °F

    Patchy Smoke

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 2am. Patchy smoke before 9pm. Increasing clouds, with a low around 58. Northwest wind 3 to 7 mph.

    Low: 58 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 81 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 57. North northwest wind 5 to 7 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 83. Northwest wind 3 to 6 mph.

    High: 83 °F

    Gradual
    Clearing

  • Sunday Night

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

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Patchy smoke after 2pm. Sunny, with a high near 82. West northwest wind 3 to 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 2am. Patchy smoke before 9pm. Increasing clouds, with a low around 58. Northwest wind 3 to 7 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 57. North northwest wind 5 to 7 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 83. Northwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 81.
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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:
11:41 am PDT Aug 14, 2026
Forecast Valid:
12pm PDT Aug 14, 2026-6pm PDT Aug 20, 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