National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

85°F

29°C

Humidity 34%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index83°F (28°C)
Last update 20 Aug 08:15 PM PDT
Extended Forecast for

5 Miles S Cascade Locks OR

  • Tonight

    Tonight: Increasing clouds, with a low around 66. Calm wind.

    Low: 66 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 59. Light west southwest wind.

    Low: 59 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 75. West wind 3 to 6 mph.

    High: 75 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. West southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 66. Calm wind.
Friday
Mostly cloudy, with a high near 86. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 59. Light west southwest wind.
Saturday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 75. West wind 3 to 6 mph.
Saturday Night
Increasing clouds, with a low around 55. West southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
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:
7:41 pm PDT Aug 20, 2026
Forecast Valid:
8pm PDT Aug 20, 2026-6pm PDT Aug 27, 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