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-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

57°F

14°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 04 Sep 09:10 PM PDT
Extended Forecast for

6 Miles NNW Troutdale OR

  • Tonight

    Tonight: A slight chance of showers between 11pm and 3am.  Mostly cloudy, with a low around 51. Light and variable wind.  Chance of precipitation is 20%.

    Low: 51 °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 72. Light and variable wind.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 52. Light and variable wind.

    Low: 52 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 73. Light and variable wind.

    High: 73 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Slight Chance
    Showers

  • Labor Day

    Labor Day: A 20 percent chance of showers before 11am.  Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °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 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 11pm and 3am. Mostly cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 3pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 72. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
Increasing clouds, with a low around 52. Light and variable wind.
Sunday
Mostly cloudy, with a high near 73. Light and variable wind.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Labor Day
A 20 percent chance of showers before 11am. Partly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 80.
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:
6 Miles NNW Troutdale OR
 45.62°N 122.48°W (Elev. 256 ft)
8:41 pm PDT Sep 4, 2026
9pm PDT Sep 4, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database