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

70°F

21°C

Humidity 51%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 22 Aug 10:05 PM PDT
Extended Forecast for

5 Miles S Cascade Locks OR

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 55. West southwest wind 5 to 7 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 3 to 6 mph.

    High: 73 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Patchy smoke after 3am. Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Smoke

  • Monday

    Monday: Areas of smoke. Sunny, with a high near 84. Calm wind becoming east northeast 5 to 7 mph in the morning.

    High: 84 °F

    Areas Smoke

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 55. West southwest wind 5 to 7 mph, with gusts as high as 20 mph.
Sunday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 3 to 6 mph.
Sunday Night
Patchy smoke after 3am. Mostly clear, with a low around 55. Calm wind.
Monday
Areas of smoke. Sunny, with a high near 84. Calm wind becoming east northeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 61. Light and variable wind.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
10:41 pm PDT Aug 22, 2026
Forecast Valid:
11pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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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