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

70°F

21°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Aug 10:53 PM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. South southwest wind 3 to 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Southwest wind 5 to 8 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 54. West northwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 53. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. South southwest wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Southwest wind 5 to 8 mph.
Thursday Night
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 54. West northwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 53. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday
A 20 percent chance of showers after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 73.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly cloudy, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Troutdale OR
 45.58°N 122.31°W (Elev. 112 ft)
Last Update:
10:41 pm PDT Aug 26, 2026
Forecast Valid:
11pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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Chance of Precipitation