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.

Mostly Cloudy

52°F

11°C

Humidity 76%
Wind Speed N 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 May 01:55 PM PDT
Extended Forecast for

3 Miles WNW Milwaukie OR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 58. West northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 43. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 65 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 46. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 46 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 58. West northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Tonight
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 43. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming north northwest 5 to 7 mph in the morning.
Sunday Night
Increasing clouds, with a low around 46. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 77.
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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 16, 2026
Forecast Valid:
2pm PDT May 16, 2026-6pm PDT May 22, 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