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

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

52°F

11°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Apr 11:53 PM PDT
Extended Forecast for

3 Miles N Troutdale OR

  • Overnight

    Overnight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 47. West southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain, mainly before 3pm. High near 55. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 8pm. Mostly cloudy, with a low around 45. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. South wind around 7 mph becoming west southwest in the afternoon.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. West wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 47. West southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 3pm. High near 55. Breezy, with a southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of rain before 8pm. Mostly cloudy, with a low around 45. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Thursday
Partly sunny, with a high near 61. South wind around 7 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 41. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 66.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Monday
A slight chance of rain. Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
11:41 pm PDT Apr 21, 2026
Forecast Valid:
12am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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