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
39°F
4°C
| Humidity | 66% |
| Wind Speed | ENE 7 MPH |
| Barometer | NA |
| Dewpoint | 28°F (-2°C) |
| Visibility | NA |
| Wind Chill | 34°F (1°C) |
| Last update | 17 Jan 12:52 AM PST |
Extended Forecast for
8 Miles NW Cascade Locks OR
Overnight
Low: 30 °F
Mostly Clear
and BreezySaturday
High: 39 °F
Sunny and
BreezySaturday Night
Low: 29 °F
Mostly Clear
Sunday
High: 40 °F
Sunny
Sunday Night
Low: 29 °F
Mostly Clear
M.L.King Day
High: 40 °F
Sunny
Monday Night
Low: 31 °F
Mostly Clear
then FrostTuesday
High: 46 °F
Mostly Sunny
Tuesday Night
Low: 30 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 30. Breezy, with an east wind around 17 mph, with gusts as high as 44 mph.
Saturday
Sunny, with a high near 39. Breezy, with an east wind 14 to 17 mph, with gusts as high as 44 mph.
Saturday Night
Mostly clear, with a low around 29. East wind 11 to 13 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 40. East wind around 13 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 29. East wind around 14 mph, with gusts as high as 36 mph.
M.L.King Day
Sunny, with a high near 40.
Monday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 42.
Wednesday Night
Widespread frost. Otherwise, partly cloudy, with a low around 29.
Thursday
A slight chance of rain and snow. Snow level 2400 feet. Partly sunny, with a high near 40.
Thursday Night
A chance of rain and snow. Snow level 2500 feet. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow. Snow level 2000 feet. Partly sunny, with a high near 38.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles NW Cascade Locks OR
45.75°N 122.02°W (Elev. 1857 ft)
45.75°N 122.02°W (Elev. 1857 ft)
1:02 am PST Jan 17, 2026
1am PST Jan 17, 2026-6pm PST Jan 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
