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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

light rain,mist

39°F

4°C

Humidity 93%
Wind Speed SE 8 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 37°F (3°C)
Visibility 4.00 mi
Wind Chill33°F (1°C)
Last update 01 Jan 03:00 PM PST
Extended Forecast for

Portland OR

  • New Year's Day

    New Year's Day: Rain. High near 44. Light east wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain

  • Tonight

    Tonight: Rain. Temperature rising to around 45 by 4am. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F⇑

    Rain

  • Friday

    Friday: A 40 percent chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 55. Light and variable wind becoming east southeast around 5 mph in the afternoon.

    High: 55 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 4am. Low around 45. East wind around 7 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: Rain. High near 55. East southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain. High near 52. Chance of precipitation is 90%.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain Likely

Detailed Forecast

New Year's Day
Rain. High near 44. Light east wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Temperature rising to around 45 by 4am. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 55. Light and variable wind becoming east southeast around 5 mph in the afternoon.
Friday Night
Rain, mainly after 4am. Low around 45. East wind around 7 mph. Chance of precipitation is 80%.
Saturday
Rain. High near 55. East southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 46. Chance of precipitation is 90%.
Sunday
Rain. High near 52. Chance of precipitation is 90%.
Sunday Night
Rain. Mostly cloudy, with a low around 43.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 49.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
Last Update:
2:56 pm PST Jan 1, 2026
Forecast Valid:
3pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation