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

55°F

13°C

Humidity 50%
Wind Speed ESE 5 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 01 Mar 07:53 PM PST
Extended Forecast for

Portland OR

  • Tonight

    Tonight: A slight chance of showers before 1am, then a slight chance of showers after 3am.  Mostly cloudy, with a low around 44. Calm wind.  Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 10 percent chance of showers after 4pm.  Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 60. Calm wind becoming south 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.  Mostly cloudy, 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 wind 5 to 10 mph, with gusts as high as 20 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 48. South wind around 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 10pm.  Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Rain then
    Rain Likely

  • Thursday

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

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 10pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

Detailed Forecast

Tonight
A slight chance of showers before 1am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 20%.
Monday
A 10 percent chance of showers after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A slight chance of showers before 10pm, then a chance of rain after 4am. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%.
Tuesday
Rain, mainly after 10am. High near 55. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 48. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 54. Chance of precipitation is 100%.
Wednesday Night
Rain, mainly before 10pm. Low around 42. Chance of precipitation is 90%.
Thursday
Rain. Cloudy, with a high near 50.
Thursday Night
Rain, mainly before 10pm. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 55.
Friday Night
A chance of rain. Cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
7:41 pm PST Mar 1, 2026
8pm PST Mar 1, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database