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

35°F

2°C

Humidity 91%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 28 Jan 08:28 AM PST
Extended Forecast for

3 Miles WNW Cascade Locks OR

  • Today

    Today: Rain. High near 41. West northwest wind around 8 mph becoming south in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 39. Northeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Rain. High near 44. East wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40. East wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 47. East wind 6 to 8 mph becoming south southeast in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °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: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

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

    Low: 38 °F

    Chance Rain

  • Sunday

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

    High: 44 °F

    Rain Likely

Detailed Forecast

Today
Rain. High near 41. West northwest wind around 8 mph becoming south in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain. Low around 39. Northeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 44. East wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. 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 40. East wind 6 to 8 mph. 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 47. East wind 6 to 8 mph becoming south southeast in the afternoon. 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
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 38.
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 41.
Monday
A chance of rain. Mostly cloudy, with a high near 47.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cascade Locks OR
 45.7°N 121.94°W (Elev. 1257 ft)
Last Update:
8:42 am PST Jan 28, 2026
Forecast Valid:
8am 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