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

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

47°F

8°C

Humidity 71%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 18 Nov 05:34 PM PST
Extended Forecast for

6 Miles SE Cascade Locks OR

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 32. West wind 6 to 14 mph becoming east in the evening.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Breezy, with an east southeast wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow likely, mainly after 10pm. Snow level 5000 feet. Mostly cloudy, with a low around 33. East wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow likely, mainly before 10am. Snow level 5000 feet. Cloudy, then gradually becoming mostly sunny, with a high near 37. East southeast wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before 10pm. Snow level 5200 feet. Partly cloudy, with a low around 33. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Snow level 5300 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 40. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 30 percent chance of rain. Snow level 6300 feet. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Snow level 6200 feet. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am, then a chance of rain and snow. Snow level 6200 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 32. West wind 6 to 14 mph becoming east in the evening.
Wednesday
Mostly sunny, with a high near 35. Breezy, with an east southeast wind 14 to 20 mph, with gusts as high as 28 mph.
Wednesday Night
Rain and snow likely, mainly after 10pm. Snow level 5000 feet. Mostly cloudy, with a low around 33. East wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow likely, mainly before 10am. Snow level 5000 feet. Cloudy, then gradually becoming mostly sunny, with a high near 37. East southeast wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A slight chance of rain and snow showers before 10pm. Snow level 5200 feet. Partly cloudy, with a low around 33. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Snow level 5300 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 40. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of rain. Snow level 6300 feet. Mostly cloudy, with a low around 37.
Saturday
A chance of rain. Snow level 6200 feet. Mostly cloudy, with a high near 42.
Saturday Night
A chance of rain before 1am, then a chance of rain and snow. Snow level 6200 feet. Mostly cloudy, with a low around 38.
Sunday
Rain likely, possibly mixed with snow, mainly after 10am. Snow level 6200 feet. Mostly cloudy, with a high near 40.
Sunday Night
Rain and snow. Snow level 5600 feet. Mostly cloudy, with a low around 36. Breezy.
Monday
Snow showers, possibly mixed with rain. Cloudy, with a high near 36. Breezy.
Monday Night
Snow showers likely. Mostly cloudy, with a low around 30. Breezy.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Cascade Locks OR
 45.63°N 121.77°W (Elev. 4442 ft)
Last Update:
5:41 pm PST Nov 18, 2025
Forecast Valid:
5pm PST Nov 18, 2025-6pm PST Nov 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation