Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Mist

44°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 44°F (7°C)
Visibility 1.50 mi
Last update 18 Oct 08:53 AM PDT
Extended Forecast for

Troutdale OR

  • Today

    Today: Sunny, with a high near 68. Light north northeast wind.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. Light and variable wind.

    Low: 44 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 68. Light north northeast wind.
Tonight
Increasing clouds, with a low around 44. Light and variable wind.
Monday
Cloudy, with a high near 63. Calm wind.
Monday Night
Mostly cloudy, with a low around 41. Calm wind.
Tuesday
Mostly sunny, with a high near 72. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Partly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A slight chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.57°N 122.4°W (Elev. 79 ft)
8:41 am PDT Oct 18, 2026
9am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database