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.

Mostly Cloudy

57°F

14°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 May 02:35 AM PDT
Extended Forecast for

Portland OR

  • Overnight

    Overnight: Showers, mainly after 4am. Low around 52. South southwest wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. South southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69. Southwest wind 3 to 6 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Showers, mainly after 4am. Low around 52. South southwest wind 3 to 5 mph. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Partly cloudy, with a low around 50. South southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Thursday
Partly sunny, with a high near 69. Southwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 48. West northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 65.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 61.
Saturday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 66.
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 48.
Tuesday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.51°N 122.66°W (Elev. 200 ft)
Last Update:
2:07 am PDT May 13, 2026
Forecast Valid:
2am PDT May 13, 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