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.

light rain,mist

49°F

9°C

Humidity 92%
Wind Speed W 6 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 47°F (8°C)
Visibility 6.00 mi
Wind Chill46°F (8°C)
Last update 17 Nov 04:53 AM PST
Extended Forecast for

Troutdale OR

  • Overnight

    Overnight: Rain likely. Cloudy, with a low around 48. Northwest wind around 8 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 9am. Mostly cloudy, with a high near 53. West northwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: A slight chance of rain before 7pm, then a slight chance of rain after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 10%.

    Low: 39 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Patchy fog before 1am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

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

    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.

    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

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 48. Northwest wind around 8 mph. Chance of precipitation is 70%.
Monday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 53. West northwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of rain before 7pm, then a slight chance of rain after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 10%.
Tuesday
A 30 percent chance of rain, mainly after 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 50. Calm wind.
Tuesday Night
Patchy fog before 1am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 38. Calm wind.
Wednesday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 53.
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.
Thursday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Mostly cloudy, with a high near 55.
Saturday Night
Rain likely. Mostly cloudy, with a low around 45.
Sunday
Rain likely. Cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.54°N 122.4°W (Elev. 102 ft)
Last Update:
4:41 am PST Nov 17, 2025
Forecast Valid:
5am PST Nov 17, 2025-6pm PST Nov 23, 2025
 
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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