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 81%
Wind Speed WNW 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Nov 11:20 AM PST
Extended Forecast for

4 Miles N Troutdale OR

  • Today

    Today: A 50 percent chance of rain, mainly before 5pm. Mostly cloudy, with a high near 51. West northwest wind around 6 mph.

    High: 51 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a slight chance of rain after 4am. Patchy fog after 4am. Otherwise, mostly clear, then becoming mostly cloudy toward daybreak, with a low around 38. Calm wind. Chance of precipitation is 10%.

    Low: 38 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 53. East wind around 7 mph.

    High: 53 °F

    Mostly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain Likely

Detailed Forecast

Today
A 50 percent chance of rain, mainly before 5pm. Mostly cloudy, with a high near 51. West northwest wind around 6 mph.
Tonight
A slight chance of rain before 7pm, then a slight chance of rain after 4am. Patchy fog after 4am. Otherwise, mostly clear, then becoming mostly cloudy toward daybreak, with a low around 38. Calm wind. Chance of precipitation is 10%.
Tuesday
A 30 percent chance of rain, mainly after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 49. Calm wind.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind.
Wednesday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 53. East wind around 7 mph.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43.
Friday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46.
Saturday
Rain likely. Mostly cloudy, with a high near 54.
Saturday Night
Rain likely. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
10:46 am PST Nov 17, 2025
Forecast Valid:
11am PST Nov 17, 2025-6pm PST Nov 23, 2025
 
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