Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

thunderstorm

62°F

17°C

Humidity 64%
Wind Speed S 17 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 50°F (10°C)
Visibility 6.00 mi
Last update 04 Sep 03:05 PM PDT
Extended Forecast for

2 Miles SE Portland International Airport OR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 72. Light east northeast wind.

    High: 72 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers between 11pm and 4am.  Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 3pm, then a slight chance of showers after 4pm.  Mostly sunny, with a high near 73. Light and variable wind.  Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. Light north wind.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 74. Light northwest wind.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Light east northeast wind.
Tonight
A 20 percent chance of showers between 11pm and 4am. Mostly cloudy, with a low around 54. Calm wind.
Saturday
A slight chance of showers before 3pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 73. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
Increasing clouds, with a low around 55. Light north wind.
Sunday
Mostly cloudy, with a high near 74. Light northwest wind.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 56.
Labor Day
Partly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Portland International Airport OR
 45.56°N 122.56°W (Elev. 200 ft)
2:41 pm PDT Sep 4, 2026
3pm PDT Sep 4, 2026-6pm PDT Sep 10, 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