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.

Mostly Cloudy

79°F

26°C

Humidity 41%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Jul 08:20 PM PDT
Extended Forecast for

Troutdale OR

  • Tonight

    Tonight: Partly cloudy, with a low around 57. West northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 78. South wind 5 to 7 mph becoming northwest in the afternoon.

    High: 78 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Becoming
    Sunny

  • Wednesday Night

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

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

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

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. West northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 78. South wind 5 to 7 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 80.
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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:
7:41 pm PDT Jul 27, 2026
Forecast Valid:
8pm PDT Jul 27, 2026-6pm PDT Aug 3, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation