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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Partly Cloudy

54°F

12°C

Humidity 83%
Wind Speed WNW 5 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 17 Mar 10:53 PM PDT
Extended Forecast for

Portland OR

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Light south wind.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 9am. Mostly cloudy, with a high near 66. South southwest wind 3 to 5 mph.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 51. South southwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 69 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 53. South southeast wind 3 to 5 mph.

    Low: 53 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain, mainly before 11am. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Light south wind.
Wednesday
A 30 percent chance of rain, mainly after 9am. Mostly cloudy, with a high near 66. South southwest wind 3 to 5 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 51. South southwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 53. South southeast wind 3 to 5 mph.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Saturday
A chance of rain, mainly before 11am. Partly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A slight chance of rain. Partly sunny, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
Rain. Mostly cloudy, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.51°N 122.66°W (Elev. 200 ft)
Last Update:
10:41 pm PDT Mar 17, 2026
Forecast Valid:
11pm PDT Mar 17, 2026-6pm PDT Mar 24, 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