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

55°F

13°C

Humidity 76%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 27 May 02:14 AM PDT
Extended Forecast for

5 Miles S Cascade Locks OR

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 50. West southwest wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 51. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind.
Wednesday Night
Mostly clear, with a low around 55. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 78. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 50. West southwest wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 61.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.6°N 121.88°W (Elev. 1142 ft)
Last Update:
2:02 am PDT May 27, 2026
Forecast Valid:
2am PDT May 27, 2026-6pm PDT Jun 2, 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