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

59°F

15°C

Humidity 67%
Wind Speed NW 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 May 10:35 PM PDT
Extended Forecast for

4 Miles NNW Troutdale OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. North northwest wind 6 to 11 mph becoming light in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. Northwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. North northwest wind 6 to 11 mph becoming light in the evening.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 50. Breezy.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Memorial Day
A chance of rain. Mostly cloudy, with a high near 64. Breezy.
Monday Night
A chance of rain. Partly cloudy, with a low around 46. Breezy.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Troutdale OR
 45.6°N 122.44°W (Elev. 335 ft)
Last Update:
10:41 pm PDT May 19, 2026
Forecast Valid:
10pm PDT May 19, 2026-6pm PDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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