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

42°F

6°C

Humidity 91%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 20 Nov 08:44 PM PST
Extended Forecast for

3 Miles WNW Cascade Locks OR

  • Tonight

    Tonight: Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. Light north wind.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 49. Light and variable wind becoming north northeast around 5 mph.

    High: 49 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. Light north northeast wind.

    Low: 37 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 51. East wind around 5 mph.

    High: 51 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 39. Light and variable wind becoming southwest around 5 mph in the evening.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 10am. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 4pm. Snow level 2900 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain Likely

  • Monday Night

    Monday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am. Snow level 2900 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. Light north wind.
Friday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 49. Light and variable wind becoming north northeast around 5 mph.
Friday Night
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. Light north northeast wind.
Saturday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 51. East wind around 5 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 39. Light and variable wind becoming southwest around 5 mph in the evening.
Sunday
Rain, mainly after 10am. High near 48. Chance of precipitation is 80%.
Sunday Night
Rain. Low around 37. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 4pm. Snow level 2900 feet. Mostly cloudy, with a high near 43.
Monday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Snow level 2900 feet. Mostly cloudy, with a low around 34.
Tuesday
A chance of rain, mainly after 10am. Snow level 2700 feet rising to 3700 feet in the afternoon. Mostly cloudy, with a high near 43.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 44.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 40.
Thanksgiving Day
A chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cascade Locks OR
 45.7°N 121.94°W (Elev. 1257 ft)
Last Update:
8:41 pm PST Nov 20, 2025
Forecast Valid:
9pm PST Nov 20, 2025-6pm PST Nov 27, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation