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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.

33°F

1°C

Humidity	65%
Wind Speed	ENE 5 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	28°F (-2°C)
Last update	22 Jan 02:18 AM PST

More Information:

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

Extended Forecast for

6 Miles S Cascade Locks OR

Overnight
Low: 27 °F
Frost
Thursday
High: 39 °F
Frost then
Mostly Cloudy
Thursday Night
Low: 27 °F
Slight Chance
Rain/Snow
then Frost
Friday
High: 40 °F
Frost then
Sunny
Friday Night
Low: 26 °F
Clear
Saturday
High: 42 °F
Sunny
Saturday Night
Low: 27 °F
Mostly Clear
Sunday
High: 45 °F
Mostly Sunny
Sunday Night
Low: 31 °F
Partly Cloudy
then Slight
Chance Snow

Detailed Forecast

Overnight

Widespread frost. Otherwise, partly cloudy, with a low around 27. Southeast wind around 5 mph.

Thursday

Widespread frost between 8am and 9am. Otherwise, partly sunny, with a high near 39. Light and variable wind.

Thursday Night

A slight chance of rain and snow, mainly between 9pm and 10pm. Widespread frost before 9pm, then widespread frost after 10pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 27. Light southeast wind. Chance of precipitation is 20%.

Friday

Widespread frost before 9am. Otherwise, sunny, with a high near 40. East wind 5 to 8 mph, with gusts as high as 25 mph.

Friday Night

Clear, with a low around 26. East wind 3 to 7 mph. Winds could gust as high as 23 mph.

Saturday

Sunny, with a high near 42.

Saturday Night

Mostly clear, with a low around 27.

Sunday

Mostly sunny, with a high near 45.

Sunday Night

A slight chance of snow after 4am. Snow level 1900 feet. Mostly cloudy, with a low around 31.

Monday

A slight chance of rain and snow before 10am, then a slight chance of rain. Snow level 2200 feet rising to 3200 feet in the afternoon. Partly sunny, with a high near 47.

Monday Night

Areas of frost. Otherwise, mostly cloudy, with a low around 35.

Tuesday

Areas of frost. Otherwise, partly sunny, with a high near 48.

Tuesday Night

A slight chance of rain. Mostly cloudy, with a low around 36.

Wednesday

Rain likely. Mostly cloudy, with a high near 47.