National Weather Service

News Headlines

New Portland Drought Information Statement 09/14/2026

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

65°F

18°C

Humidity	56%
Wind Speed	SW 2 MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Last update	23 Sep 12:08 PM PDT

More Information:

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

Extended Forecast for

3 Miles SSE Cascade Locks OR

This Afternoon
High: 58 °F
Partly Sunny
Tonight
Low: 46 °F
Partly Cloudy
Thursday
High: 62 °F
Increasing
Clouds
Thursday Night
Low: 46 °F
Rain
Friday
High: 51 °F
Showers and
Breezy
Friday Night
Low: 41 °F
Rain Likely
then Mostly
Cloudy
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 42 °F
Mostly Cloudy
Sunday
High: 53 °F
Partly Sunny

Detailed Forecast

This Afternoon

Partly sunny, with a high near 58. West wind 3 to 6 mph.

Tonight

Partly cloudy, with a low around 46. Light and variable wind.

Thursday

Increasing clouds, with a high near 62. Calm wind.

Thursday Night

Rain. Low around 46. Light west southwest wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then rain after 2pm. High near 51. Breezy, with a southwest wind 5 to 10 mph increasing to 11 to 16 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

Rain likely before 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

Saturday

Mostly sunny, with a high near 52.

Saturday Night

Mostly cloudy, with a low around 42.

Sunday

Partly sunny, with a high near 53.

Sunday Night

Partly cloudy, with a low around 42.

Monday

Mostly sunny, with a high near 53.