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 44%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 22 Aug 07:35 PM PDT
Extended Forecast for

6 Miles S Cascade Locks OR

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 2am. Increasing clouds, with a low around 54. West southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 68. West wind around 6 mph.

    High: 68 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 2am. Increasing clouds, with a low around 54. West southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 68. West wind around 6 mph.
Sunday Night
Mostly clear, with a low around 53. Light and variable wind.
Monday
Sunny, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. Light and variable wind.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Cascade Locks OR
 45.6°N 121.85°W (Elev. 1745 ft)
Last Update:
7:41 pm PDT Aug 22, 2026
Forecast Valid:
7pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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