Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Mostly Cloudy

57°F

14°C

Humidity 44%
Wind Speed ENE 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 01 Mar 02:35 PM PST
Extended Forecast for

2 Miles NNE Lake Oswego OR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm.  Mostly cloudy, with a high near 59. Light northeast wind.

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 2am, then a slight chance of showers after 3am.  Mostly cloudy, with a low around 45. Calm wind.  Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers

  • Monday

    Monday: A 10 percent chance of showers after 4pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 10pm, then a chance of rain after 4am.  Increasing clouds, with a low around 46. Calm wind.  Chance of precipitation is 30%.

    Low: 46 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am.  High near 55. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 10pm.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain

  • Thursday

    Thursday: Rain.  Cloudy, with a high near 49.

    High: 49 °F

    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 59. Light northeast wind.
Tonight
A chance of showers before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 30%.
Monday
A 10 percent chance of showers after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
A slight chance of showers before 10pm, then a chance of rain after 4am. Increasing clouds, with a low around 46. Calm wind. Chance of precipitation is 30%.
Tuesday
Rain, mainly after 10am. High near 55. South southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 47. Chance of precipitation is 100%.
Wednesday
Rain. High near 53. Chance of precipitation is 100%.
Wednesday Night
Rain, mainly before 10pm. Mostly cloudy, with a low around 42.
Thursday
Rain. Cloudy, with a high near 49.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lake Oswego OR
 45.44°N 122.68°W (Elev. 200 ft)
2:42 pm PST Mar 1, 2026
2pm PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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