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.

Rain

55°F

13°C

Humidity 82%
Wind Speed SSW 5 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 25 May 08:00 PM PDT
Extended Forecast for

2 Miles WNW Troutdale OR

  • Tonight

    Tonight: A 50 percent chance of showers before 4am. Mostly cloudy, with a low around 48. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before noon, then a chance of showers after 3pm. Partly sunny, with a high near 66. Light and variable wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers before 7pm. Increasing clouds, with a low around 50. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers before 4am. Mostly cloudy, with a low around 48. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers before noon, then a chance of showers after 3pm. Partly sunny, with a high near 66. Light and variable wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 10 percent chance of showers before 7pm. Increasing clouds, with a low around 50. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 53.
Friday
Mostly cloudy, with a high near 66.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 46.
Sunday
A slight chance of rain. Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Troutdale OR
 45.56°N 122.43°W (Elev. 171 ft)
Last Update:
7:41 pm PDT May 25, 2026
Forecast Valid:
8pm PDT May 25, 2026-6pm PDT Jun 1, 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