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
34°F
1°C
| Humidity | 64% |
| Wind Speed | ENE 3 MPH |
| Barometer | NA |
| Dewpoint | 23°F (-5°C) |
| Visibility | NA |
| Last update | 21 Jan 12:22 AM PST |
Extended Forecast for
3 Miles W Cascade Locks OR
Overnight
Low: 32 °F
Partly Cloudy
and BreezyWednesday
High: 41 °F
Mostly Sunny
and BreezyWednesday Night
Low: 30 °F
Mostly Clear
and Blustery
then Partly
CloudyThursday
High: 41 °F
Mostly Sunny
and BreezyThursday Night
Low: 29 °F
Partly Cloudy
Friday
High: 43 °F
Sunny and
BreezyFriday Night
Low: 28 °F
Clear
Saturday
High: 43 °F
Sunny
Saturday Night
Low: 29 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 32. Breezy, with a northeast wind around 17 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 41. Breezy, with a northeast wind 15 to 17 mph, with gusts as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 30. Blustery, with a northeast wind 13 to 15 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 41. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 29. East wind 8 to 10 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 43. Breezy.
Friday Night
Clear, with a low around 28.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 29.
Sunday
A slight chance of rain after 10am. Snow level 1500 feet rising to 2600 feet in the afternoon. Mostly sunny, with a high near 45.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 46.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 47.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles W Cascade Locks OR
45.67°N 121.94°W (Elev. 509 ft)
45.67°N 121.94°W (Elev. 509 ft)
11:41 pm PST Jan 20, 2026
12am PST Jan 21, 2026-6pm PST Jan 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
