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

72°F

22°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Aug 10:00 PM PDT
Extended Forecast for

Troutdale OR

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West southwest wind 5 to 7 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 76. West wind 3 to 6 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 79. Light west northwest wind.

    High: 79 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. West southwest wind 5 to 7 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 76. West wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 79. Light west northwest wind.
Thursday Night
Mostly clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
A slight chance of rain. Partly sunny, with a high near 80.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 57.
Tuesday
A slight chance of rain. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.55°N 122.37°W (Elev. 197 ft)
Last Update:
9:41 pm PDT Aug 11, 2026
Forecast Valid:
10pm PDT Aug 11, 2026-6pm PDT Aug 18, 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