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.

Partly Cloudy

58°F

14°C

Humidity 57%
Wind Speed W 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Oct 12:53 PM PDT
Extended Forecast for

Portland OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 63. Light north wind.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 69. North wind 5 to 7 mph.

    High: 69 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. Light north wind.
Tonight
Mostly cloudy, with a low around 46. Calm wind.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 61. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 46. Calm wind becoming north 5 to 7 mph after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 69. North wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Partly sunny, with a high near 60.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Friday
A slight chance of rain. Mostly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.5°N 122.69°W (Elev. 522 ft)
12:41 pm PDT Oct 18, 2026
1pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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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