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

68°F

20°C

Humidity 58%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 20 Aug 12:05 AM PDT
Extended Forecast for

4 Miles SSE Cascade Locks OR

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 59. Light south southwest wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. South southwest wind 3 to 5 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 55. West southwest wind 5 to 8 mph.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 63.

    High: 63 °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 64.

    High: 64 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 59. Light south southwest wind.
Thursday
Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 63. South southwest wind 3 to 5 mph.
Friday
Cloudy, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 55. West southwest wind 5 to 8 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 63.
Saturday Night
Increasing clouds, with a low around 52.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 68.
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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:
2:01 am PDT Aug 20, 2026
Forecast Valid:
2am PDT Aug 20, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation