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

80°F

27°C

Humidity 34%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index79°F (26°C)
Last update 19 Aug 08:05 PM PDT
Extended Forecast for

8 Miles SSE Cascade Locks OR

  • Tonight

    Tonight: Mostly clear, with a low around 55. West southwest wind around 8 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. West wind 5 to 8 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Southwest wind around 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71. South southwest wind 5 to 7 mph becoming light and variable in the morning.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Slight Chance
    T-storms then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 50. Breezy.

    Low: 50 °F

    Increasing
    Clouds and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 60.

    High: 60 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West southwest wind around 8 mph.
Thursday
Sunny, with a high near 74. West wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 60. Southwest wind around 8 mph.
Friday
Mostly cloudy, with a high near 71. South southwest wind 5 to 7 mph becoming light and variable in the morning.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 56. Breezy.
Saturday Night
Increasing clouds, with a low around 50. Breezy.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Cascade Locks OR
 45.59°N 121.79°W (Elev. 4331 ft)
Last Update:
10:41 pm PDT Aug 19, 2026
Forecast Valid:
10pm PDT Aug 19, 2026-6pm PDT Aug 26, 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