National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Clear

41°F

5°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Dec 07:20 PM PST
Extended Forecast for

Portland International Airport OR

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 35. East wind around 9 mph.

    Low: 35 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 48. East northeast wind around 10 mph.

    High: 48 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 11pm. Otherwise, mostly clear, with a low around 33. East northeast wind 6 to 8 mph.

    Low: 33 °F

    Areas Frost

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. East wind around 6 mph.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 37. East wind around 6 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • New Year's Day

    New Year's Day: A 40 percent chance of rain, mainly after 10am. Cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: Rain. Cloudy, with a high near 50.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 35. East wind around 9 mph.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 48. East northeast wind around 10 mph.
Tuesday Night
Areas of frost after 11pm. Otherwise, mostly clear, with a low around 33. East northeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 48. East wind around 6 mph.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 37. East wind around 6 mph.
New Year's Day
A 40 percent chance of rain, mainly after 10am. Cloudy, with a high near 45.
Thursday Night
Rain likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
Rain. Cloudy, with a high near 50.
Friday Night
Rain likely. Mostly cloudy, with a low around 42.
Saturday
Rain likely. Mostly cloudy, with a high near 50.
Saturday Night
Rain likely. Mostly cloudy, with a low around 41.
Sunday
Rain likely. Cloudy, with a high near 50.
Sunday Night
Rain likely. Cloudy, with a low around 42.
Monday
Rain likely. Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.6°N 122.6°W (Elev. 200 ft)
Last Update:
6:41 pm PST Dec 29, 2025
Forecast Valid:
7pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation