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 87%
Wind Speed SE 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 05 Sep 12:35 AM PDT
Extended Forecast for

6 Miles NNW Troutdale OR

  • Overnight

    Overnight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of showers after 5am.  Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 7am, then a slight chance of showers after 4pm.  Partly sunny, with a high near 72. Light and variable wind.  Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 11pm.  Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Chance
    Showers

  • Labor Day

    Labor Day: Mostly cloudy, then gradually becoming sunny, with a high near 71.

    High: 71 °F

    Decreasing
    Clouds

  • Monday Night

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

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Light and variable wind.
Saturday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 52. Calm wind.
Sunday
A slight chance of showers before 7am, then a slight chance of showers after 4pm. Partly sunny, with a high near 72. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Labor Day
Mostly cloudy, then gradually becoming sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A slight chance of rain. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Troutdale OR
 45.62°N 122.48°W (Elev. 256 ft)
12:41 am PDT Sep 5, 2026
12am PDT Sep 5, 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