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

Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Mostly Cloudy

61°F

16°C

Humidity 63%
Wind Speed WNW 9 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Mar 04:00 PM PDT
Extended Forecast for

Portland International Airport OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Partly sunny, with a high near 62. Light southeast wind.

    High: 62 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 8am. Mostly cloudy, with a high near 65. South southwest wind 3 to 6 mph.

    High: 65 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 50. South southeast wind 3 to 5 mph.

    Low: 50 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 68. South wind 3 to 6 mph.

    High: 68 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 52.

    Low: 52 °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.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain, mainly before 11am. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Partly sunny, with a high near 62. Light southeast wind.
Tonight
Mostly cloudy, with a low around 47. Light and variable wind.
Wednesday
A 40 percent chance of rain, mainly after 8am. Mostly cloudy, with a high near 65. South southwest wind 3 to 6 mph.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50. South southeast wind 3 to 5 mph.
Thursday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 68. South wind 3 to 6 mph.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 52.
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.
Saturday
A chance of rain, mainly before 11am. Partly sunny, with a high near 55.
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 43.
Tuesday
Rain. Mostly cloudy, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.58°N 122.59°W (Elev. 200 ft)
Last Update:
3:42 pm PDT Mar 17, 2026
Forecast Valid:
4pm PDT Mar 17, 2026-6pm PDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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