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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
44°F
7°C
| Humidity | 91% |
| Wind Speed | ENE 0 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Last update | 31 Jan 12:28 AM PST |
Extended Forecast for
4 Miles SW Cascade Locks OR
Overnight
Low: 42 °F
Chance Rain
Saturday
High: 51 °F
Slight Chance
Rain then
Partly SunnySaturday Night
Low: 39 °F
Chance Rain
Sunday
High: 47 °F
Rain
Sunday Night
Low: 41 °F
Rain
Monday
High: 49 °F
Rain Likely
Monday Night
Low: 39 °F
Chance Rain
then Partly
CloudyTuesday
High: 52 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
Detailed Forecast
Overnight
A 30 percent chance of rain, mainly between 1am and 4am. Mostly cloudy, with a low around 42. Light east wind.
Saturday
A 10 percent chance of rain before 7am. Mostly cloudy, with a high near 51. East wind around 6 mph.
Saturday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 39. East wind around 6 mph.
Sunday
Rain. High near 47. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 41. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 52.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Cascade Locks OR
45.63°N 121.93°W (Elev. 2418 ft)
45.63°N 121.93°W (Elev. 2418 ft)
12:41 am PST Jan 31, 2026
12am PST Jan 31, 2026-6pm PST Feb 6, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
