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 International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Mist

46°F

8°C

Humidity 95%
Wind Speed WSW 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 45°F (7°C)
Visibility 2.50 mi
Last update 18 Oct 09:16 AM PDT
Extended Forecast for

Portland OR

  • Today

    Today: Mostly sunny, with a high near 66. Light north wind.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Monday

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

    High: 63 °F

    Cloudy

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 45. Light north wind.

    Low: 45 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. North wind 3 to 6 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Light north wind.
Tonight
Mostly cloudy, with a low around 47. Calm wind.
Monday
Cloudy, with a high near 63. Calm wind.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 45. Light north wind.
Tuesday
Mostly sunny, with a high near 70. North wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A slight chance of rain. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.51°N 122.66°W (Elev. 200 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