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
40°F
4°C
| Humidity | 91% |
| Wind Speed | SW 2 MPH |
| Barometer | NA |
| Dewpoint | 37°F (3°C) |
| Visibility | NA |
| Last update | 29 Jan 06:28 AM PST |
Extended Forecast for
8 Miles NNE Cascade Locks OR
Today
High: 44 °F
Rain
Tonight
Low: 41 °F
Rain Likely
then Mostly
CloudyFriday
High: 47 °F
Rain Likely
Friday Night
Low: 42 °F
Rain Likely
then Slight
Chance RainSaturday
High: 48 °F
Mostly Cloudy
Saturday Night
Low: 39 °F
Mostly Cloudy
then Chance
RainSunday
High: 44 °F
Rain Likely
Sunday Night
Low: 40 °F
Rain Likely
Monday
High: 45 °F
Chance Rain
Detailed Forecast
Today
Rain. High near 44. Northeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 41. East northeast wind around 6 mph. Chance of precipitation is 60%.
Friday
Rain likely after 10am. Mostly cloudy, with a high near 47. East northeast wind around 6 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. Light and variable wind. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 48. East wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 39.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 40.
Monday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 45.
Monday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 48.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles NNE Cascade Locks OR
45.78°N 121.78°W (Elev. 1398 ft)
45.78°N 121.78°W (Elev. 1398 ft)
6:42 am PST Jan 29, 2026
6am PST Jan 29, 2026-6pm PST Feb 4, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
