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.

44°F

7°C

Humidity	91%
Wind Speed	E 1 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	31 Jan 08:18 PM PST

More Information:

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

Extended Forecast for

6 Miles S Cascade Locks OR

Tonight
Low: 41 °F
Mostly Cloudy
then Slight
Chance Rain
Sunday
High: 51 °F
Showers
Sunday Night
Low: 42 °F
Showers
Likely then
Chance
Showers
Monday
High: 54 °F
Chance
Showers
Monday Night
Low: 42 °F
Chance
Showers then
Partly Cloudy
Tuesday
High: 55 °F
Partly Sunny
Tuesday Night
Low: 41 °F
Mostly Cloudy
Wednesday
High: 56 °F
Mostly Sunny
Wednesday Night
Low: 39 °F
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 41. Calm wind.

Sunday

Showers. High near 51. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely, mainly before 10pm. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

A 50 percent chance of showers. Partly sunny, with a high near 54. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

A 30 percent chance of showers before 10pm. Partly cloudy, with a low around 42. Calm wind.

Tuesday

Partly sunny, with a high near 55.

Tuesday Night

Mostly cloudy, with a low around 41.

Wednesday

Mostly sunny, with a high near 56.

Wednesday Night

Partly cloudy, with a low around 39.