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.

Mist

44°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 44°F (7°C)
Visibility 1.25 mi
Last update 02 Nov 04:53 AM PST
Extended Forecast for

Troutdale OR

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 45. East wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 10am. Cloudy, with a high near 54. East wind 5 to 9 mph becoming light in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Low around 46. East wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 60. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 50. Breezy. Chance of precipitation is 100%.

    Low: 50 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. Breezy. Chance of precipitation is 100%.

    High: 60 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 49.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Rain. Cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Tonight
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 45. East wind 6 to 10 mph, with gusts as high as 21 mph.
Monday
Rain likely, mainly after 10am. Cloudy, with a high near 54. East wind 5 to 9 mph becoming light in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 46. East wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 60. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 50. Breezy. Chance of precipitation is 100%.
Wednesday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. Breezy. Chance of precipitation is 100%.
Wednesday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 49.
Thursday
Rain. Cloudy, with a high near 58.
Thursday Night
Rain. Cloudy, with a low around 48.
Friday
Rain. Cloudy, with a high near 56.
Friday Night
Rain likely. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
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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:
4:45 am PST Nov 2, 2025
Forecast Valid:
5am PST Nov 2, 2025-6pm PST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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