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

66°F

19°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Aug 02:20 AM PDT
Extended Forecast for

4 Miles W Troutdale OR

  • Overnight

    Overnight: Mostly clear, with a low around 63. East southeast wind 3 to 5 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 58. West southwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. West wind around 5 mph becoming light and variable in the evening.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 76.

    High: 76 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 76.

    High: 76 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 63. East southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 58. West southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. West wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A slight chance of rain. Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Troutdale OR
 45.56°N 122.46°W (Elev. 200 ft)
Last Update:
2:01 am PDT Aug 25, 2026
Forecast Valid:
2am PDT Aug 25, 2026-6pm PDT Aug 31, 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