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

79°F

26°C

Humidity 44%
Wind Speed WSW 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Aug 07:35 PM PDT
Extended Forecast for

Troutdale OR

  • Tonight

    Tonight: Increasing clouds, with a low around 59. Light and variable wind becoming west southwest around 5 mph after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind around 6 mph.

    High: 76 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 75 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. West wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 72.

    High: 72 °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 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 59. Light and variable wind becoming west southwest around 5 mph after midnight.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind around 6 mph.
Thursday Night
Increasing clouds, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 54. West wind 5 to 8 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 72.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A chance of rain. Mostly cloudy, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.55°N 122.37°W (Elev. 197 ft)
Last Update:
7:41 pm PDT Aug 26, 2026
Forecast Valid:
7pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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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