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 63%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 18 Jan 01:02 PM PST
Extended Forecast for

3 Miles WNW Cascade Locks OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. Breezy, with an east northeast wind 18 to 20 mph, with gusts as high as 37 mph.

    High: 39 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 30. Windy, with a northeast wind 22 to 26 mph, with gusts as high as 45 mph.

    Low: 30 °F

    Mostly Clear
    and Windy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 39. Windy, with a northeast wind 17 to 24 mph, with gusts as high as 44 mph.

    High: 39 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: Widespread frost after 4am.  Otherwise, mostly clear, with a low around 30. Blustery, with an east northeast wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Mostly Clear
    and Blustery
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am.  Otherwise, sunny, with a high near 42. East wind 11 to 14 mph, with gusts as high as 28 mph.

    High: 42 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost after 10pm.  Otherwise, partly cloudy, with a low around 31.

    Low: 31 °F

    Frost

  • Thursday

    Thursday: A slight chance of rain after 10am.  Widespread frost before 9am. Snow level 2700 feet rising to 3400 feet in the afternoon.  Otherwise, partly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Breezy, with an east northeast wind 18 to 20 mph, with gusts as high as 37 mph.
Tonight
Mostly clear, with a low around 30. Windy, with a northeast wind 22 to 26 mph, with gusts as high as 45 mph.
M.L.King Day
Sunny, with a high near 39. Windy, with a northeast wind 17 to 24 mph, with gusts as high as 44 mph.
Monday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 30. Blustery, with an east northeast wind 10 to 15 mph, with gusts as high as 28 mph.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 42. East wind 11 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Widespread frost after 10pm. Otherwise, partly cloudy, with a low around 31.
Thursday
A slight chance of rain after 10am. Widespread frost before 9am. Snow level 2700 feet rising to 3400 feet in the afternoon. Otherwise, partly sunny, with a high near 44.
Thursday Night
A chance of rain before 1am, then a chance of rain and snow. Snow level 3200 feet. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Snow level 3000 feet. Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Snow level 3000 feet. Mostly cloudy, with a low around 34.
Saturday
A chance of rain and snow. Snow level 2800 feet. Partly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cascade Locks OR
 45.7°N 121.94°W (Elev. 1257 ft)
1:01 pm PST Jan 18, 2026
1pm PST Jan 18, 2026-6pm PST Jan 24, 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