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

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 43°F (6°C)
Visibility 2.00 mi
Last update 18 Oct 06:35 AM PDT
Extended Forecast for

3 Miles N Portland International Airport OR

  • Today

    Today: Mostly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 62. Calm wind.

    High: 62 °F

    Cloudy

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 43. Calm wind becoming north around 5 mph after midnight.

    Low: 43 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. North wind around 6 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

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

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 45. Light and variable wind.
Monday
Cloudy, with a high near 62. Calm wind.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 43. Calm wind becoming north around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 69. North wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Partly sunny, with a high near 62.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A slight chance of rain. Partly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A slight chance of rain. Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Portland International Airport OR
 45.62°N 122.61°W (Elev. 200 ft)
6:41 am PDT Oct 18, 2026
6am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database