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

59°F

15°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 03:35 AM PDT
Extended Forecast for

3 Miles ESE Troutdale OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. West northwest wind around 5 mph becoming light and variable in the evening.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Northwest wind 3 to 7 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 78.

    High: 78 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. Calm wind.
Monday
Mostly sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 56. West northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Northwest wind 3 to 7 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 79.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 74.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Troutdale OR
 45.53°N 122.33°W (Elev. 600 ft)
Last Update:
3:41 am PDT Aug 17, 2026
Forecast Valid:
3am PDT Aug 17, 2026-6pm PDT Aug 23, 2026
 
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Additional Resources

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Chance of Precipitation