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Our annual climate summary for Portland has been posted. Additional summaries for Astoria, Eugene, and Salem are available. For other climate summaries, visit our Observed Weather tab on our climate page. Read More >

Current conditions at

DEE FLAT (DEFO)

Lat: 45.58639°NLon: 121.64056°WElev: 1260.0ft.

NA

31°F

-1°C

Humidity 85%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 19 Jan 01:15 AM PST
Extended Forecast for

8 Miles E Cascade Locks OR

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Breezy, with an east wind around 18 mph, with gusts as high as 31 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 39. Breezy, with an east wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 39 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. East wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. East wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 4am.  Areas of frost before 10pm.  Otherwise, partly cloudy, with a low around 31.

    Low: 31 °F

    Areas Frost
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Breezy, with an east wind around 18 mph, with gusts as high as 31 mph.
M.L.King Day
Mostly sunny, with a high near 39. Breezy, with an east wind 15 to 17 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 30. East wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 41. East wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 30. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 44.
Thursday Night
A slight chance of rain after 4am. Areas of frost before 10pm. Otherwise, partly cloudy, with a low around 31.
Friday
A slight chance of rain and snow before 10am. Snow level 2000 feet rising to 2500 feet in the afternoon. Mostly sunny, with a high near 42.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 32.
Saturday
A chance of rain and snow. Partly sunny, with a high near 43.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Cascade Locks OR
 45.71°N 121.7°W (Elev. 200 ft)
1:41 am PST Jan 19, 2026
1am PST Jan 19, 2026-6pm PST Jan 25, 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