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.

Mostly Cloudy

61°F

16°C

Humidity 82%
Wind Speed ENE 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 04 Sep 06:00 PM PDT
Extended Forecast for

Portland OR

  • Tonight

    Tonight: A 20 percent chance of showers between 2am 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 9am, then a slight chance of showers after 4pm.  Patchy fog between 9am and 10am.  Otherwise, mostly sunny, with a high near 72. Calm wind.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of showers between 3am and 4am.  Mostly cloudy, with a low around 55. Calm wind.  Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 73. Calm wind.

    High: 73 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly 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 76.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers between 2am and 4am. Mostly cloudy, with a low around 54. Calm wind.
Saturday
A slight chance of showers before 9am, then a slight chance of showers after 4pm. Patchy fog between 9am and 10am. Otherwise, mostly sunny, with a high near 72. Calm wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 55. Calm wind. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 73. Calm wind.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 56. Calm wind.
Labor Day
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 58.
Friday
A chance of rain. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
5:41 pm PDT Sep 4, 2026
6pm PDT Sep 4, 2026-6pm PDT Sep 11, 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