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 International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Clear

52°F

11°C

Humidity 76%
Wind Speed WNW 5 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Last update 18 Oct 01:15 AM PDT
Extended Forecast for

Portland OR

  • Overnight

    Overnight: Mostly clear, with a low around 45. North northwest wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Light north wind.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Cloudy

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 45. Light north wind.

    Low: 45 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 45. North northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 66. Light north wind.
Sunday Night
Mostly cloudy, with a low around 47. Calm wind.
Monday
Cloudy, with a high near 63. Calm wind.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 45. Light north wind.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Partly sunny, with a high near 64.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 42.
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:
Portland OR
 45.53°N 122.67°W (Elev. 200 ft)
Last Update:
12:41 am PDT Oct 18, 2026
Forecast Valid:
1am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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