National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Overcast

62°F

17°C

Humidity 57%
Wind Speed NW 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 12 May 09:53 PM PDT
Extended Forecast for

Portland OR

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then showers likely between 4am and 5am, then rain after 5am. Low around 52. South wind 6 to 9 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Rain before 11am, then a chance of showers between 11am and 3pm. High near 63. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Breezy. Rain
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65. South southwest wind around 8 mph.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. West northwest wind 6 to 11 mph becoming light southwest after midnight.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 11am. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then showers likely between 4am and 5am, then rain after 5am. Low around 52. South wind 6 to 9 mph. Chance of precipitation is 80%.
Wednesday
Rain before 11am, then a chance of showers between 11am and 3pm. High near 63. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 49. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 65. South southwest wind around 8 mph.
Thursday Night
Partly cloudy, with a low around 47. West northwest wind 6 to 11 mph becoming light southwest after midnight.
Friday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 61.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Saturday
A chance of rain. Mostly cloudy, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.5°N 122.69°W (Elev. 522 ft)
Last Update:
9:42 pm PDT May 12, 2026
Forecast Valid:
10pm PDT May 12, 2026-6pm PDT May 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation