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
43°F
6°C
| Humidity | 91% |
| Wind Speed | SW 1 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Last update | 29 Jan 09:48 PM PST |
Extended Forecast for
2 Miles SW Cascade Locks OR
Tonight
Low: 44 °F
Slight Chance
Rain then
Mostly CloudyFriday
High: 52 °F
Chance Rain
then RainFriday Night
Low: 46 °F
Rain Likely
then Chance
RainSaturday
High: 53 °F
Slight Chance
Rain then
Mostly CloudySaturday Night
Low: 44 °F
Chance Rain
Sunday
High: 50 °F
Rain
Sunday Night
Low: 44 °F
Rain Likely
then Chance
RainMonday
High: 51 °F
Chance Rain
Monday Night
Low: 42 °F
Slight Chance
Rain then
Partly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44. Northeast wind around 5 mph.
Friday
Rain. High near 52. East wind around 6 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46. Light east wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 53. East wind 6 to 8 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 44. East wind around 8 mph.
Sunday
Rain, mainly after 10am. High near 50. Chance of precipitation is 80%.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 51.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 55.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Cascade Locks OR
45.66°N 121.9°W (Elev. 102 ft)
45.66°N 121.9°W (Elev. 102 ft)
9:45 pm PST Jan 29, 2026
10pm PST Jan 29, 2026-6pm PST Feb 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
