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 International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Rain

57°F

14°C

Humidity 87%
Wind Speed ESE 5 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Sep 12:20 AM PDT
Extended Forecast for

Portland International Airport OR

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 2am.  Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers after 5am.  Increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 7am.  Mostly cloudy, with a high near 73. Calm wind.

    High: 73 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Light north northwest wind.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: A slight chance of showers before 11am.  Mostly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 54. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 72. Light and variable wind.
Friday Night
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 53. Calm wind.
Saturday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 73. Calm wind.
Saturday Night
Mostly cloudy, with a low around 54. Light north northwest wind.
Sunday
Partly sunny, with a high near 76.
Sunday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 56.
Labor Day
A slight chance of showers before 11am. Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 56.
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:
Portland International Airport OR
 45.58°N 122.59°W (Elev. 200 ft)
11:41 pm PDT Sep 3, 2026
12am 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