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.

Clear

63°F

17°C

Humidity 72%
Wind Speed ESE 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Sep 07:20 PM PDT
Extended Forecast for

3 Miles N Lake Oswego OR

  • Tonight

    Tonight: A 20 percent chance of showers between 2am and 4am.  Patchy fog between 1am and 4am.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of showers after 4pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind.  Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of showers between 3am and 4am.  Patchy fog between 1am and 3am.  Otherwise, mostly cloudy, with a low around 53. Calm wind.  Chance of precipitation is 20%.

    Low: 53 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 71. Calm wind.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

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

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Labor Day

    Labor Day: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers between 2am and 4am. Patchy fog between 1am and 4am. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers between 3am and 4am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71. Calm wind.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 54. Calm wind.
Labor Day
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 74.
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.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 57.
Friday
A chance of rain. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lake Oswego OR
 45.46°N 122.68°W (Elev. 387 ft)
6:41 pm PDT Sep 4, 2026
7pm PDT Sep 4, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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