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 65%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 17 Jan 09:52 AM PST
Extended Forecast for

5 Miles S Cascade Locks OR

  • Today

    Today: Areas of frost before 11am.  Otherwise, sunny, with a high near 43. East wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 43 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 9pm.  Otherwise, mostly clear, with a low around 32. East southeast wind around 6 mph.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am.  Otherwise, sunny, with a high near 44. East wind around 6 mph.

    High: 44 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 32. East wind around 7 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Clear
    then Frost

  • M.L.King Day

    M.L.King Day: Widespread frost before 9am.  Otherwise, sunny, with a high near 44. East wind around 7 mph, with gusts as high as 20 mph.

    High: 44 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost before 1am, then areas of frost after 2am.  Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Frost then
    Mostly Sunny

Detailed Forecast

Today
Areas of frost before 11am. Otherwise, sunny, with a high near 43. East wind 7 to 9 mph, with gusts as high as 24 mph.
Tonight
Widespread frost, mainly after 9pm. Otherwise, mostly clear, with a low around 32. East southeast wind around 6 mph.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 44. East wind around 6 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32. East wind around 7 mph, with gusts as high as 20 mph.
M.L.King Day
Widespread frost before 9am. Otherwise, sunny, with a high near 44. East wind around 7 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Areas of frost before 1am, then areas of frost after 2am. Otherwise, partly cloudy, with a low around 34.
Wednesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 46.
Wednesday Night
Areas of frost before 2am, then widespread frost after 3am. Otherwise, partly cloudy, with a low around 33.
Thursday
A slight chance of rain and snow. Snow level 2200 feet rising to 2700 feet in the afternoon. Partly sunny, with a high near 44.
Thursday Night
A chance of rain and snow. Snow level 2600 feet. Mostly cloudy, with a low around 33.
Friday
A chance of rain and snow. Snow level 2000 feet. Partly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
9:47 am PST Jan 17, 2026
10am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
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