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

81°F

27°C

Humidity 34%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index80°F (27°C)
Last update 19 Aug 07:45 PM PDT
Extended Forecast for

4 Miles SSE Cascade Locks OR

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind around 6 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. West wind 3 to 6 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. South southwest wind 3 to 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 76. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. West southwest wind 5 to 8 mph.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 52.

    Low: 52 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 66.

    High: 66 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 78. West wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 61. South southwest wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 76. Light and variable wind becoming west around 5 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. West southwest wind 5 to 8 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 62.
Saturday Night
Increasing clouds, with a low around 52.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Cascade Locks OR
 45.62°N 121.83°W (Elev. 2986 ft)
Last Update:
7:41 pm PDT Aug 19, 2026
Forecast Valid:
8pm PDT Aug 19, 2026-6pm PDT Aug 26, 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