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Current conditions at

Portland, Portland International Airport (KPDX)

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

Clear

37°F

3°C

Humidity 60%
Wind Speed ESE 12 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Jan 12:20 AM PST
Extended Forecast for

Portland International Airport OR

  • Overnight

    Overnight: Widespread frost between 4am and 5am.  Otherwise, partly cloudy, with a low around 28. East northeast wind 3 to 7 mph.

    Low: 28 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost before 10am.  Otherwise, mostly sunny, with a high near 48. East northeast wind 3 to 7 mph.

    High: 48 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 11pm.  Otherwise, mostly clear, with a low around 28. East wind around 5 mph becoming light and variable  after midnight.

    Low: 28 °F

    Frost

  • Thursday

    Thursday: Widespread frost, mainly before 10am.  Otherwise, mostly sunny, with a high near 46. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 46 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Areas of frost before 10pm, then widespread frost after 1am.  Otherwise, partly cloudy, with a low around 29. East northeast wind 3 to 5 mph.

    Low: 29 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 9am.  Otherwise, sunny, with a high near 48.

    High: 48 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Widespread frost after 1am.  Otherwise, clear, with a low around 28.

    Low: 28 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost before 9am.  Otherwise, sunny, with a high near 48.

    High: 48 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost after midnight.  Otherwise, mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear
    then Frost

Detailed Forecast

Overnight
Widespread frost between 4am and 5am. Otherwise, partly cloudy, with a low around 28. East northeast wind 3 to 7 mph.
Wednesday
Widespread frost before 10am. Otherwise, mostly sunny, with a high near 48. East northeast wind 3 to 7 mph.
Wednesday Night
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 28. East wind around 5 mph becoming light and variable after midnight.
Thursday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 46. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Areas of frost before 10pm, then widespread frost after 1am. Otherwise, partly cloudy, with a low around 29. East northeast wind 3 to 5 mph.
Friday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 48.
Friday Night
Widespread frost after 1am. Otherwise, clear, with a low around 28.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 48.
Saturday Night
Widespread frost after midnight. Otherwise, mostly clear, with a low around 28.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 47.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.6°N 122.6°W (Elev. 200 ft)
11:41 pm PST Jan 20, 2026
12am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database