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

Portland, Portland International Airport (KPDX)

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

Rain

54°F

12°C

Humidity 76%
Wind Speed W 8 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 46°F (8°C)
Visibility 3.50 mi
Last update 15 May 02:20 PM PDT
Extended Forecast for

3 Miles WNW Milwaukie OR

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 59. West southwest wind around 11 mph, with gusts as high as 23 mph.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain and thunderstorms likely before 1am, then a chance of rain. Mostly cloudy, with a low around 45. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Saturday

    Saturday: Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 58. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 7pm. Partly cloudy, then becoming cloudy toward daybreak, with a low around 43. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 64 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 59. West southwest wind around 11 mph, with gusts as high as 23 mph.
Tonight
Rain and thunderstorms likely before 1am, then a chance of rain. Mostly cloudy, with a low around 45. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 58. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of rain, mainly before 7pm. Partly cloudy, then becoming cloudy toward daybreak, with a low around 43. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Milwaukie OR
 45.46°N 122.68°W (Elev. 387 ft)
Last Update:
2:08 pm PDT May 15, 2026
Forecast Valid:
2pm PDT May 15, 2026-6pm PDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation