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

Want to revisit 2025? Here's our year-end climate summary!

Our annual climate summary for Portland has been posted. Additional summaries for Astoria, Eugene, and Salem are available. For other climate summaries, visit our Observed Weather tab on our climate page. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

36°F

2°C

Humidity 91%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 28 Jan 10:18 AM PST
Extended Forecast for

4 Miles SSW Cascade Locks OR

  • Today

    Today: Rain. High near 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 41. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain Likely
    then Rain

  • Thursday

    Thursday: Rain. High near 47. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain Likely

Detailed Forecast

Today
Rain. High near 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 41. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 47. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43.
Saturday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 50.
Saturday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 40.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 47.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Partly sunny, with a high near 49.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
9:41 am PST Jan 28, 2026
Forecast Valid:
10am PST Jan 28, 2026-6pm PST Feb 3, 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