National Weather Service

News Headlines

New Portland Drought Information Statement 05/15/2026

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

50°F

10°C

Humidity	85%
Wind Speed	SW 7 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Wind Chill	47°F (8°C)
Last update	15 May 04:07 PM PDT

More Information:

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

Extended Forecast for

5 Miles W Cascade Locks OR

This Afternoon
High: 50 °F
Chance Rain
and Breezy
Tonight
Low: 40 °F
Rain and
Breezy
Saturday
High: 46 °F
Showers and
Breezy
Saturday Night
Low: 39 °F
Breezy.
Chance Rain
then Mostly
Cloudy
Sunday
High: 56 °F
Partly Sunny
Sunday Night
Low: 40 °F
Partly Cloudy
Monday
High: 62 °F
Decreasing
Clouds
Monday Night
Low: 43 °F
Mostly Clear
and Breezy
then Partly
Cloudy
Tuesday
High: 64 °F
Mostly Sunny
then Mostly
Sunny and
Breezy

Detailed Forecast

This Afternoon

A 30 percent chance of rain. Mostly cloudy, with a high near 50. Breezy, with a west southwest wind around 16 mph, with gusts as high as 34 mph.

Tonight

Rain and thunderstorms before 5am, then rain likely. Snow level 4600 feet lowering to 3500 feet after midnight . Low around 40. Breezy, with a west southwest wind 17 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Rain and possibly a thunderstorm before 1pm, then showers and possibly a thunderstorm between 1pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. Snow level 3400 feet rising to 4000 feet in the afternoon. High near 46. Breezy, with a west southwest wind 17 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A 30 percent chance of rain before 9pm. Snow level 4100 feet lowering to 3100 feet after midnight . Mostly cloudy, with a low around 39. Breezy, with a west southwest wind 14 to 17 mph, with gusts as high as 34 mph.

Sunday

Partly sunny, with a high near 56. West southwest wind around 13 mph, with gusts as high as 25 mph.

Sunday Night

Partly cloudy, with a low around 40.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 62.

Monday Night

Mostly clear, with a low around 43. Breezy.

Tuesday

Mostly sunny, with a high near 64. Breezy.

Tuesday Night

Partly cloudy, with a low around 45. Breezy.