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

75°F

24°C

Humidity 51%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 21 Aug 02:05 PM PDT
Extended Forecast for

4 Miles SW Cascade Locks OR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, with a high near 82. West southwest wind around 7 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 57. West southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 56. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 74. West wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, with a high near 82. West southwest wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 57. West southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Increasing clouds, with a low around 56. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 74. West wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cascade Locks OR
 45.63°N 121.93°W (Elev. 2418 ft)
Last Update:
2:01 pm PDT Aug 21, 2026
Forecast Valid:
2pm PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation