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
39°F
4°C
| Humidity | 91% |
| Wind Speed | S 1 MPH |
| Barometer | NA |
| Dewpoint | 37°F (3°C) |
| Visibility | NA |
| Last update | 28 Jan 08:28 PM PST |
Extended Forecast for
4 Miles SSW Cascade Locks OR
Tonight
Low: 41 °F
Rain Likely
then RainThursday
High: 48 °F
Rain and
Patchy FogThursday Night
Low: 42 °F
Rain Likely
then Slight
Chance RainFriday
High: 50 °F
Rain Likely
Friday Night
Low: 43 °F
Chance Rain
then Slight
Chance RainSaturday
High: 51 °F
Mostly Cloudy
Saturday Night
Low: 40 °F
Mostly Cloudy
then Chance
RainSunday
High: 48 °F
Rain Likely
Sunday Night
Low: 41 °F
Rain Likely
Detailed Forecast
Tonight
Rain, mainly after 11pm. Low around 41. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. Patchy fog between noon and 1pm. High near 48. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%.
Friday
Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 51.
Saturday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 40.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Partly sunny, with a high near 49.
Monday Night
A chance of rain. Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 52.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Cascade Locks OR
45.62°N 121.89°W (Elev. 833 ft)
45.62°N 121.89°W (Elev. 833 ft)
8:41 pm PST Jan 28, 2026
9pm PST Jan 28, 2026-6pm PST Feb 4, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
