
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
36°F
2°C
| Humidity | 67% |
| Wind Speed | NE 3 MPH |
| Barometer | NA |
| Dewpoint | 26°F (-3°C) |
| Visibility | NA |
| Last update | 17 Jan 08:32 PM PST |
Extended Forecast for
4 Miles SSW Cascade Locks OR
Tonight

Low: 32 °F
Frost
Sunday

High: 43 °F
Frost then
SunnySunday Night

Low: 33 °F
Frost
M.L.King Day

High: 43 °F
Frost then
SunnyMonday Night

Low: 33 °F
Mostly Clear
Tuesday

High: 47 °F
Mostly Sunny
Tuesday Night

Low: 33 °F
Frost
Wednesday

High: 45 °F
Partly Sunny
Wednesday Night

Low: 33 °F
Partly Cloudy
then Areas
Frost
Detailed Forecast
Tonight
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 32. East wind around 7 mph, with gusts as high as 22 mph.
Sunday
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 43. East northeast wind around 6 mph, with gusts as high as 18 mph.
Sunday Night
Areas of frost before midnight, then widespread frost after 3am. Otherwise, mostly clear, with a low around 33. East wind around 7 mph, with gusts as high as 21 mph.
M.L.King Day
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 43. East wind around 7 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 33. East wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Areas of frost before midnight, then widespread frost after 5am. Otherwise, partly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 33.
Thursday
A slight chance of rain after 10am. Mostly sunny, with a high near 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37.
Friday
Rain likely. Mostly cloudy, with a high near 45.
Friday Night
Rain likely. Mostly cloudy, with a low around 37.
Saturday
Rain likely, possibly mixed with snow. Snow level 2800 feet. Mostly cloudy, with a high near 45.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Cascade Locks OR
45.62°N 121.89°W (Elev. 833 ft)
45.62°N 121.89°W (Elev. 833 ft)
8:41 pm PST Jan 17, 2026
8pm PST Jan 17, 2026-6pm PST Jan 24, 2026


