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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Clear

57°F

14°C

Humidity 62%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 17 Oct 08:05 PM PDT
Extended Forecast for

5 Miles E Portland International Airport OR

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Increasing clouds, with a high near 67. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 67 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog before 2am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

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

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 67. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Cloudy, with a low around 45. Light and variable wind.
Monday
Mostly cloudy, with a high near 63. Calm wind.
Monday Night
Patchy fog before 2am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A chance of rain. Partly sunny, with a high near 61.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Saturday
A slight chance of rain. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Portland International Airport OR
 45.57°N 122.5°W (Elev. 200 ft)
Last Update:
7:41 pm PDT Oct 17, 2026
Forecast Valid:
8pm PDT Oct 17, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation