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

77°F

25°C

Humidity 44%
Wind Speed WNW 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 27 Aug 06:35 PM PDT
Extended Forecast for

Troutdale OR

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 77 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of showers after 11am. Partly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.

    High: 73 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Sunday

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

    High: 75 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. West northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 54. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A slight chance of rain. Partly sunny, with a high near 75.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 54.
Wednesday
A chance of rain. Mostly cloudy, with a high near 71.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Thursday
A chance of rain. Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.54°N 122.4°W (Elev. 102 ft)
Last Update:
6:41 pm PDT Aug 27, 2026
Forecast Valid:
6pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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Chance of Precipitation