National Weather Service

News Headlines

New Portland Drought Information Statement 08/14/2026

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

68°F

20°C

Humidity	58%
Wind Speed	S 8 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	22 Aug 01:05 PM PDT

More Information:

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

Extended Forecast for

3 Miles S Cascade Locks OR

This Afternoon
High: 62 °F
Sunny
Tonight
Low: 50 °F
Slight Chance
Showers and
Breezy
Sunday
High: 61 °F
Slight Chance
Showers then
Sunny
Sunday Night
Low: 50 °F
Mostly Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 51 °F
Partly Cloudy
Wednesday
High: 62 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 62. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.

Tonight

A 20 percent chance of showers after 11pm. Increasing clouds, with a low around 50. Breezy, with a west southwest wind 13 to 16 mph, with gusts as high as 24 mph.

Sunday

A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 61. West wind 7 to 10 mph, with gusts as high as 18 mph.

Sunday Night

Mostly clear, with a low around 50. West wind 5 to 7 mph becoming light and variable in the evening.

Monday

Sunny, with a high near 73. East northeast wind 7 to 9 mph, with gusts as high as 18 mph.

Monday Night

Mostly clear, with a low around 59.

Tuesday

Sunny, with a high near 74.

Tuesday Night

Partly cloudy, with a low around 51.

Wednesday

Mostly sunny, with a high near 62.