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 | 67% |
| Wind Speed | E 5 MPH |
| Barometer | NA |
| Dewpoint | 25°F (-4°C) |
| Visibility | NA |
| Wind Chill | 31°F (-1°C) |
| Last update | 19 Jan 06:52 PM PST |
Extended Forecast for
Cascade Locks OR
Tonight
Low: 33 °F
Mostly Clear
Tuesday
High: 45 °F
Sunny
Tuesday Night
Low: 31 °F
Partly Cloudy
Wednesday
High: 43 °F
Mostly Sunny
Wednesday Night
Low: 31 °F
Partly Cloudy
Thursday
High: 46 °F
Mostly Sunny
Thursday Night
Low: 32 °F
Partly Cloudy
then FrostFriday
High: 46 °F
Frost then
SunnyFriday Night
Low: 31 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 33. Northeast wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 45. Northeast wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 31. East wind around 10 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 43. East wind around 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 31. East wind around 6 mph.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Widespread frost after 1am. Otherwise, partly cloudy, with a low around 32.
Friday
Widespread frost between 7am and 8am. Otherwise, sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 31.
Saturday
A slight chance of rain and snow before 1pm, then a slight chance of rain. Snow level 2000 feet rising to 3000 feet in the afternoon. Mostly sunny, with a high near 45.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Partly sunny, with a high near 49.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Partly sunny, with a high near 51.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Cascade Locks OR
45.66°N 121.9°W (Elev. 102 ft)
45.66°N 121.9°W (Elev. 102 ft)
6:41 pm PST Jan 19, 2026
7pm PST Jan 19, 2026-6pm PST Jan 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
