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.

35°F

2°C

Humidity	60%
Wind Speed	E 2 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Last update	24 Jan 05:18 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles S Cascade Locks OR

Tonight
Low: 27 °F
Mostly Clear
Sunday
High: 39 °F
Mostly Sunny
Sunday Night
Low: 31 °F
Mostly Cloudy
Monday
High: 45 °F
Chance
Rain/Snow
then Chance
Rain
Monday Night
Low: 33 °F
Areas Frost
Tuesday
High: 43 °F
Frost then
Partly Sunny
Tuesday Night
Low: 32 °F
Chance Rain
Wednesday
High: 43 °F
Chance Rain
Wednesday Night
Low: 35 °F
Chance Rain

Detailed Forecast

Tonight

Mostly clear, with a low around 27. Calm wind.

Sunday

Mostly sunny, with a high near 39. Light and variable wind.

Sunday Night

Mostly cloudy, with a low around 31. Calm wind.

Monday

A slight chance of rain and snow before 10am, then a chance of rain. Snow level 1900 feet rising to 3400 feet in the afternoon. Partly sunny, with a high near 45. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

Monday Night

Areas of frost before 1am, then areas of frost after 3am. Otherwise, partly cloudy, with a low around 33. Calm wind.

Tuesday

Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 43.

Tuesday Night

A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 32.

Wednesday

A chance of rain. Mostly cloudy, with a high near 43.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 35.

Thursday

A chance of rain. Partly sunny, with a high near 45.