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

45°F

7°C

Humidity 89%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 20 Nov 05:04 PM PST
Extended Forecast for

5 Miles W Cascade Locks OR

  • Tonight

    Tonight: Patchy fog between 7pm and 8pm. Patchy frost after midnight. Otherwise, mostly clear, with a low around 34. Calm wind becoming east northeast around 5 mph in the evening.

    Low: 34 °F

    Patchy Fog
    then Patchy
    Frost

  • Friday

    Friday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 48. North northeast wind around 5 mph becoming light and variable in the afternoon.

    High: 48 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36. Light east northeast wind.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 49. East wind around 6 mph.

    High: 49 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 38. Light and variable wind becoming southwest around 6 mph in the evening.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 10am. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 4400 feet lowering to 3400 feet after midnight . Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 4pm. Snow level 2900 feet. Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain before 10pm, then a slight chance of rain and snow after 4am. Snow level 2900 feet. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Patchy fog between 7pm and 8pm. Patchy frost after midnight. Otherwise, mostly clear, with a low around 34. Calm wind becoming east northeast around 5 mph in the evening.
Friday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 48. North northeast wind around 5 mph becoming light and variable in the afternoon.
Friday Night
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36. Light east northeast wind.
Saturday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 49. East wind around 6 mph.
Saturday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 38. Light and variable wind becoming southwest around 6 mph in the evening.
Sunday
Rain, mainly after 10am. High near 46. Chance of precipitation is 80%.
Sunday Night
Rain. Snow level 4400 feet lowering to 3400 feet after midnight . Low around 36. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 4pm. Snow level 2900 feet. Mostly cloudy, with a high near 41.
Monday Night
A chance of rain before 10pm, then a slight chance of rain and snow after 4am. Snow level 2900 feet. Mostly cloudy, with a low around 33.
Tuesday
A slight chance of rain and snow before 10am, then a chance of rain. Snow level 2700 feet rising to 3700 feet in the afternoon. Mostly cloudy, with a high near 41.
Tuesday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 43.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39.
Thanksgiving Day
A chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Cascade Locks OR
 45.69°N 121.97°W (Elev. 1762 ft)
Last Update:
5:11 pm PST Nov 20, 2025
Forecast Valid:
5pm PST Nov 20, 2025-6pm PST Nov 27, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation