Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Mostly Cloudy

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 04 Sep 03:20 AM PDT
Extended Forecast for

Troutdale OR

  • Overnight

    Overnight: A 30 percent chance of showers.  Mostly cloudy, with a steady temperature around 54. East northeast wind 3 to 5 mph.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers after 5am.  Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm.  Mostly cloudy, with a high near 73. Calm wind.  Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 11pm.  Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Labor Day

    Labor Day: A slight chance of showers before 11am.  Mostly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

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

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a steady temperature around 54. East northeast wind 3 to 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 72. Light and variable wind.
Friday Night
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 51. Calm wind.
Saturday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm. Mostly cloudy, with a high near 73. Calm wind. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 52. Calm wind.
Sunday
Mostly cloudy, with a high near 75.
Sunday Night
A 30 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 54.
Labor Day
A slight chance of showers before 11am. Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.54°N 122.4°W (Elev. 102 ft)
2:41 am PDT Sep 4, 2026
3am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database