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.

Overcast

55°F

13°C

Humidity 76%
Wind Speed WNW 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Mar 10:30 PM PDT
Extended Forecast for

3 Miles SE Portland International Airport OR

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 9am. Mostly cloudy, with a high near 64. South southwest wind around 6 mph.

    High: 64 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 50. South southwest wind around 6 mph becoming southeast in the evening.

    Low: 50 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 67. South southeast wind around 6 mph.

    High: 67 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 53. Southeast wind around 6 mph.

    Low: 53 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °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 54.

    High: 54 °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 47. South wind around 6 mph.
Wednesday
A 30 percent chance of rain, mainly after 9am. Mostly cloudy, with a high near 64. South southwest wind around 6 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50. South southwest wind around 6 mph becoming southeast in the evening.
Thursday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 67. South southeast wind around 6 mph.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 53. Southeast wind around 6 mph.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 64. 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 54.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A slight chance of rain. Partly sunny, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
Rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Portland International Airport OR
 45.54°N 122.55°W (Elev. 207 ft)
Last Update:
10:41 pm PDT Mar 17, 2026
Forecast Valid:
10pm PDT Mar 17, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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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