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

57°F

14°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Oct 03:00 AM PDT
Extended Forecast for

4 Miles N Troutdale OR

  • Overnight

    Overnight: A 50 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70. Light and variable wind becoming east northeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 48. East northeast wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. Breezy.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 52. Breezy.

    Low: 52 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
A 50 percent chance of showers. Mostly cloudy, with a low around 53. Calm wind.
Saturday
A 50 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 70. Light and variable wind becoming east northeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Clear, with a low around 48. East northeast wind 8 to 13 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 74. Breezy.
Monday Night
Clear, with a low around 52. Breezy.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A slight chance of rain after 11am. Mostly sunny, with a high near 70.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A slight chance of rain. Mostly sunny, with a high near 74.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Friday
A chance of rain. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
2:46 am PDT Oct 4, 2025
Forecast Valid:
3am PDT Oct 4, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation