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.

Overcast

54°F

12°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 May 04:00 AM PDT
Extended Forecast for

4 Miles NNW Troutdale OR

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 50. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. Light north wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52. North northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Breezy.

    Low: 50 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 50. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 83. Light north wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 52. North northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 80. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 50. Breezy.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 50.
Memorial Day
Rain likely. Mostly cloudy, with a high near 64. Breezy.
Monday Night
Rain likely. Mostly cloudy, with a low around 45. Breezy.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Troutdale OR
 45.6°N 122.44°W (Elev. 335 ft)
Last Update:
3:41 am PDT May 20, 2026
Forecast Valid:
4am PDT May 20, 2026-6pm PDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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