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

63°F

17°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Aug 12:35 AM PDT
Extended Forecast for

4 Miles E Troutdale OR

  • Overnight

    Overnight: Mostly clear, with a low around 57. Light south southwest wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming west around 5 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 58. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 75 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Light south southwest wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming west around 5 mph.
Wednesday Night
Increasing clouds, with a low around 58. Calm wind becoming west southwest around 5 mph after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Light and variable wind becoming west 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 55. West wind 5 to 7 mph becoming light and variable after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Friday Night
Increasing clouds, with a low around 54.
Saturday
A slight chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 72.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 54.
Tuesday
A chance of rain. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Troutdale OR
 45.56°N 122.31°W (Elev. 167 ft)
Last Update:
12:41 am PDT Aug 26, 2026
Forecast Valid:
12am PDT Aug 26, 2026-6pm PDT Sep 1, 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