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 76%
Wind Speed SSW 10 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Apr 07:00 PM PDT
Extended Forecast for

4 Miles N Troutdale OR

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 62. South southeast wind around 7 mph becoming west northwest in the afternoon.

    High: 62 °F

    Decreasing
    Clouds

  • Thursday Night

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

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Light east northeast wind becoming northeast 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. East northeast wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

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

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain after 11am. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain

  • Sunday Night

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

    Low: 45 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 62. South southeast wind around 7 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 42. West northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Light east northeast wind becoming northeast 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 43. East northeast wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 42.
Sunday
A slight chance of rain after 11am. Mostly sunny, with a high near 67.
Sunday Night
A slight 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 68.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
6:40 pm PDT Apr 22, 2026
Forecast Valid:
7pm PDT Apr 22, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation