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

38°F

3°C

Humidity 91%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 28 Jan 01:18 PM PST
Extended Forecast for

5 Miles W Cascade Locks OR

  • This Afternoon

    This Afternoon: Rain. High near 40. Southwest wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 38. East northeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 45. Southeast wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39. East northeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday

    Friday: Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 46. East wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 47. Breezy.

    High: 47 °F

    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain after 4am. Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain Likely

Detailed Forecast

This Afternoon
Rain. High near 40. Southwest wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 38. East northeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 45. Southeast wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39. East northeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday
Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 46. East wind 5 to 8 mph. 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 41.
Saturday
Mostly cloudy, with a high near 47. Breezy.
Saturday Night
A chance of rain after 4am. Mostly cloudy, with a low around 38. Breezy.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 44.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Cascade Locks OR
 45.69°N 121.97°W (Elev. 1762 ft)
Last Update:
1:26 pm PST Jan 28, 2026
Forecast Valid:
1pm 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