
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.NA
35°F
2°C
| Humidity | 60% |
| Wind Speed | E 2 MPH |
| Barometer | NA |
| Dewpoint | 22°F (-6°C) |
| Visibility | NA |
| Last update | 24 Jan 05:18 PM PST |
Extended Forecast for
5 Miles S Cascade Locks OR
Tonight

Low: 27 °F
Mostly Clear
Sunday

High: 39 °F
Mostly Sunny
Sunday Night

Low: 31 °F
Mostly Cloudy
Monday
High: 45 °F
Chance
Rain/Snow
then Chance
RainMonday Night

Low: 33 °F
Areas Frost
Tuesday

High: 43 °F
Frost then
Partly SunnyTuesday Night

Low: 32 °F
Chance Rain
Wednesday

High: 43 °F
Chance Rain
Wednesday Night

Low: 35 °F
Chance Rain
Detailed Forecast
Tonight
Mostly clear, with a low around 27. Calm wind.
Sunday
Mostly sunny, with a high near 39. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 31. Calm wind.
Monday
A slight chance of rain and snow before 10am, then a chance of rain. Snow level 1900 feet rising to 3400 feet in the afternoon. Partly sunny, with a high near 45. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Areas of frost before 1am, then areas of frost after 3am. Otherwise, partly cloudy, with a low around 33. Calm wind.
Tuesday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 43.
Tuesday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 32.
Wednesday
A chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Thursday
A chance of rain. Partly sunny, with a high near 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37.
Friday
A chance of rain. Partly sunny, with a high near 48.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Partly sunny, with a high near 48.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
5 Miles S Cascade Locks OR
45.62°N 121.89°W (Elev. 833 ft)
45.62°N 121.89°W (Elev. 833 ft)
4:41 pm PST Jan 24, 2026
5pm PST Jan 24, 2026-6pm PST Jan 31, 2026


