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

63°F

17°C

Humidity 72%
Wind Speed NW 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Sep 11:30 AM PDT
Extended Forecast for

3 Miles WSW Portland OR

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers between 3am and 4am.  Patchy fog between 1am and 4am.  Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers before 9am, then a slight chance of showers after 4pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind.  Chance of precipitation is 20%.

    High: 68 °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 52. Light north northwest wind.  Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 70. Light north wind.

    High: 70 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 68. Calm wind.
Tonight
A 20 percent chance of showers between 3am and 4am. Patchy fog between 1am and 4am. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Saturday
A slight chance of showers before 9am, then a slight chance of showers after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 52. Light north northwest wind. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 70. Light north wind.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 54.
Labor Day
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A slight chance of rain. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Portland OR
 45.52°N 122.73°W (Elev. 804 ft)
11:41 am PDT Sep 4, 2026
11am 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