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.

Clear

55°F

13°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 31 Aug 02:00 AM PDT
Extended Forecast for

2 Miles WSW Troutdale OR

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Light northwest wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 58. Calm wind becoming south southwest 5 to 7 mph after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 72. South wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 72 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 57. South wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 66. Chance of precipitation is 100%.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 54. Chance of precipitation is 100%.

    Low: 54 °F

    Showers

  • Thursday

    Thursday: Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 67.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Light northwest wind.
Monday
Sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 58. Calm wind becoming south southwest 5 to 7 mph after midnight.
Tuesday
Mostly cloudy, with a high near 72. South wind 6 to 8 mph becoming west southwest in the afternoon.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 57. South wind 6 to 10 mph, with gusts as high as 22 mph.
Wednesday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 66. Chance of precipitation is 100%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Low around 54. Chance of precipitation is 100%.
Thursday
Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 67.
Thursday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52.
Friday
A chance of rain. Partly sunny, with a high near 69.
Friday Night
A chance of rain. Mostly cloudy, with a low around 53.
Saturday
A slight chance of rain. Partly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
A slight chance of rain. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Troutdale OR
 45.54°N 122.43°W (Elev. 190 ft)
Last Update:
2:01 am PDT Aug 31, 2026
Forecast Valid:
2am PDT Aug 31, 2026-6pm PDT Sep 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation