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

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

Clear

91°F

33°C

Humidity 33%
Wind Speed W 8 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jul 02:20 PM PDT
Extended Forecast for

Portland International Airport OR

Heat Advisory July 21, 02:37pm until July 22, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 21, 02:37pm until July 22, 11:00pm

    NOW until 11:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 70. North northwest wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Patchy Smoke

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 5pm. Patchy smoke after 10am. Sunny and hot, with a high near 101. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 101 °F

    Patchy Smoke
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North northwest wind around 8 mph becoming south southwest after midnight. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 86. South southwest wind around 6 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Patchy smoke. Mostly sunny and hot, with a high near 100. North northwest wind around 6 mph.
Tonight
Patchy smoke. Partly cloudy, with a low around 70. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 5pm. Patchy smoke after 10am. Sunny and hot, with a high near 101. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North northwest wind around 8 mph becoming south southwest after midnight. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 86. South southwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.58°N 122.59°W (Elev. 200 ft)
Last Update:
2:02 pm PDT Jul 21, 2026
Forecast Valid:
2pm PDT Jul 21, 2026-6pm PDT Jul 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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