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 | WSW 0 MPH |
| Barometer | NA |
| Dewpoint | 37°F (3°C) |
| Visibility | NA |
| Last update | 29 Jan 12:58 AM PST |
Extended Forecast for
7 Miles S Cascade Locks OR
Overnight
Low: 41 °F
Rain
Thursday
High: 48 °F
Rain
Thursday Night
Low: 41 °F
Rain Likely
then Mostly
CloudyFriday
High: 49 °F
Rain Likely
Friday Night
Low: 42 °F
Rain Likely
then Slight
Chance RainSaturday
High: 50 °F
Mostly Cloudy
Saturday Night
Low: 39 °F
Mostly Cloudy
then Chance
RainSunday
High: 47 °F
Rain Likely
Sunday Night
Low: 39 °F
Rain Likely
Detailed Forecast
Overnight
Rain. Low around 41. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly before 4pm. High near 48. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%.
Friday
Rain likely after 10am. Mostly cloudy, with a high near 49. Calm wind. Chance of precipitation is 60%. 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. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 50.
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 47.
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 47.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 50.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
7 Miles S Cascade Locks OR
45.58°N 121.85°W (Elev. 2018 ft)
45.58°N 121.85°W (Elev. 2018 ft)
1:21 am PST Jan 29, 2026
1am PST Jan 29, 2026-6pm PST Feb 4, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
