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

86°F

30°C

Humidity 30%
Wind Speed W 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 06:55 PM PDT
Extended Forecast for

3 Miles NE Troutdale OR

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 84. Calm wind.

    High: 84 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57. Calm wind becoming southwest 5 to 7 mph after midnight.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 56.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 78.

    High: 78 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 86. Light and variable wind.
Thursday Night
Mostly clear, with a low around 61. Light and variable wind.
Friday
Increasing clouds, with a high near 84. Calm wind.
Friday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57. Calm wind becoming southwest 5 to 7 mph after midnight.
Saturday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 75.
Saturday Night
Increasing clouds, with a low around 56.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Troutdale OR
 45.57°N 122.34°W (Elev. 135 ft)
Last Update:
6:41 pm PDT Aug 19, 2026
Forecast Valid:
7pm PDT Aug 19, 2026-6pm PDT Aug 26, 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