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 | S 1 MPH |
| Barometer | NA |
| Dewpoint | 37°F (3°C) |
| Visibility | NA |
| Last update | 29 Jan 01:48 AM PST |
Extended Forecast for
3 Miles WNW Cascade Locks OR
Overnight
Low: 39 °F
Rain
Thursday
High: 45 °F
Rain
Thursday Night
Low: 40 °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: 46 °F
Rain Likely
Sunday Night
Low: 39 °F
Rain Likely
Detailed Forecast
Overnight
Rain. Low around 39. East northeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 45. Northeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 40. Northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Friday
Rain likely after 10am. Mostly cloudy, with a high near 47. East southeast wind around 7 mph. Chance of precipitation is 70%. 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 42. South southeast wind around 6 mph becoming east in the evening. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 48.
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 46.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39.
Monday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 45.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 38. Breezy.
Wednesday
Mostly sunny, with a high near 49. Breezy.
Additional Forecasts and Information
Basemap Options
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Cascade Locks OR
45.7°N 121.94°W (Elev. 1257 ft)
45.7°N 121.94°W (Elev. 1257 ft)
1:47 am PST Jan 29, 2026
2am PST Jan 29, 2026-6pm PST Feb 4, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
