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

57°F

14°C

Humidity 52%
Wind Speed NNW 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 23 Apr 03:53 PM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

  • Tonight

    Tonight: Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67. Breezy, with an east northeast wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Breezy, with an east northeast wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 68. East northeast wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. North northwest wind 5 to 11 mph becoming east southeast after midnight. Winds could gust as high as 18 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: A slight chance of rain after 11am. Mostly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 42. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 67. Breezy, with an east northeast wind 6 to 16 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 42. Breezy, with an east northeast wind 8 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 68. East northeast wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 43. North northwest wind 5 to 11 mph becoming east southeast after midnight. Winds could gust as high as 18 mph.
Sunday
A 20 percent chance of showers after 11am. Sunny, with a high near 67.
Sunday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 45.
Monday
A slight chance of rain after 11am. Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 74.
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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:
3:42 pm PDT Apr 23, 2026
Forecast Valid:
4pm PDT Apr 23, 2026-6pm PDT Apr 30, 2026
 
Forecast Discussion
 
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Additional Resources

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