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.

light rain,mist

54°F

12°C

Humidity 93%
Wind Speed W 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Last update 21 Apr 02:20 PM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

  • This Afternoon

    This Afternoon: Showers. High near 58. West southwest wind around 10 mph. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly after 3am. Cloudy, with a low around 47. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain, mainly before 4pm. High near 55. Breezy, with a west wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 44. Breezy, with a west wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 26 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 61. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 70. Windy.

    High: 70 °F

    Sunny and
    Windy

Detailed Forecast

This Afternoon
Showers. High near 58. West southwest wind around 10 mph. Chance of precipitation is 90%.
Tonight
Showers likely, mainly after 3am. Cloudy, with a low around 47. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly before 4pm. High near 55. Breezy, with a west wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 44. Breezy, with a west wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 26 mph.
Thursday
Partly sunny, with a high near 61. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 44. Breezy.
Saturday
Sunny, with a high near 70. Windy.
Saturday Night
Mostly clear, with a low around 44. Breezy.
Sunday
A slight chance of rain. Mostly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Monday
A slight chance of rain. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Troutdale OR
 45.58°N 122.31°W (Elev. 112 ft)
Last Update:
2:02 pm PDT Apr 21, 2026
Forecast Valid:
2pm PDT Apr 21, 2026-6pm PDT Apr 27, 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