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.

39°F

4°C

Humidity	91%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	28 Jan 08:28 PM PST

More Information:

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

Extended Forecast for

9 Miles NNW Cascade Locks OR

Tonight
Low: 37 °F
Rain Likely
and Patchy
Fog then Rain
and Patchy
Fog
Thursday
High: 48 °F
Rain and
Patchy Fog
Thursday Night
Low: 41 °F
Rain Likely
then Chance
Rain
Friday
High: 50 °F
Rain Likely
Friday Night
Low: 43 °F
Chance Rain
then Slight
Chance Rain
and Patchy
Fog
Saturday
High: 52 °F
Patchy Fog
then Mostly
Cloudy
Saturday Night
Low: 39 °F
Mostly Cloudy
then Chance
Rain
Sunday
High: 49 °F
Rain Likely
Sunday Night
Low: 40 °F
Rain Likely

Detailed Forecast

Tonight

Rain. Patchy fog between 1am and 4am. Low around 37. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain. Patchy fog between 8am and noon. High near 48. Calm wind. Chance of precipitation is 80%. 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 41. Calm wind. Chance of precipitation is 70%.

Friday

Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 50. Calm wind. 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. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 43. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 52.

Saturday Night

A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 39.

Sunday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 49.

Sunday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40.

Monday

A chance of rain. Mostly cloudy, with a high near 49.

Monday Night

A chance of rain. Partly cloudy, with a low around 39.