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

59°F

15°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Sep 12:15 PM PDT
Extended Forecast for

2 Miles NNE Troutdale OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. West northwest wind 3 to 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 53. West northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 73. Light west wind.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 11am. Mostly cloudy, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 82. West northwest wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 53. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 53. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 73. Light west wind.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain after 11am. Mostly cloudy, with a high near 70.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Mostly cloudy, with a high near 64.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Troutdale OR
 45.59°N 122.38°W (Elev. 102 ft)
Last Update:
11:41 am PDT Sep 20, 2026
Forecast Valid:
12pm PDT Sep 20, 2026-6pm PDT Sep 26, 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