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

82°F

28°C

Humidity 41%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Heat Index82°F (28°C)
Last update 18 Aug 06:05 PM PDT
Extended Forecast for

4 Miles SW Cascade Locks OR

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. West southwest wind 5 to 9 mph becoming light southwest in the evening. Winds could gust as high as 18 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87. West wind 5 to 11 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. West southwest wind 5 to 11 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 72. Breezy.

    High: 72 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Breezy.

    Low: 59 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 82. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 62. West southwest wind 5 to 9 mph becoming light southwest in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 87. West wind 5 to 11 mph.
Thursday Night
Partly cloudy, with a low around 64. West southwest wind 5 to 11 mph.
Friday
Partly sunny, with a high near 80.
Friday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 72. Breezy.
Saturday Night
Partly cloudy, with a low around 59. Breezy.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cascade Locks OR
 45.65°N 121.93°W (Elev. 200 ft)
Last Update:
5:41 pm PDT Aug 18, 2026
Forecast Valid:
6pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
 
Forecast Discussion
 
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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