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

74°F

23°C

Humidity 54%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 19 Aug 12:35 PM PDT
Extended Forecast for

3 Miles SW Cascade Locks OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. West southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southwest wind 3 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. West southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. South southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 85. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 85 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 73. Breezy.

    High: 73 °F

    Breezy.
    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 60. Breezy.

    Low: 60 °F

    Increasing
    Clouds and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 77.

    High: 77 °F

    Decreasing
    Clouds

Detailed Forecast

This Afternoon
Sunny, with a high near 83. West southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 62. Southwest wind 3 to 7 mph.
Thursday
Sunny, with a high near 87. West southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 65. South southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday
Mostly cloudy, with a high near 85. Light southwest wind becoming west 5 to 9 mph in the morning.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 62.
Saturday
A 20 percent chance of showers and thunderstorms before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 73. Breezy.
Saturday Night
Increasing clouds, with a low around 60. Breezy.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cascade Locks OR
 45.65°N 121.93°W (Elev. 200 ft)
Last Update:
12:41 pm PDT Aug 19, 2026
Forecast Valid:
12pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation