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.

Overcast

55°F

13°C

Humidity 87%
Wind Speed E 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 04 Sep 08:35 AM PDT
Extended Forecast for

Portland OR

  • Today

    Today: A slight chance of showers and thunderstorms between 2pm and 4pm.  Mostly sunny, with a high near 71. Calm wind.  Chance of precipitation is 20%.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog between 1am and 4am.  Otherwise, increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A 10 percent chance of showers before 7am.  Patchy fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Partly Sunny

  • Sunday Night

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

    Low: 56 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 71. Calm wind. Chance of precipitation is 20%.
Tonight
Patchy fog between 1am and 4am. Otherwise, increasing clouds, with a low around 53. Calm wind.
Saturday
A 10 percent chance of showers before 7am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind.
Saturday Night
Mostly cloudy, with a low around 55. Calm wind.
Sunday
Partly sunny, with a high near 75. Calm wind.
Sunday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 56.
Labor Day
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
8:41 am PDT Sep 4, 2026
8am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
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