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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 | E 1 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Last update | 01 Feb 12:18 AM PST |
Extended Forecast for
3 Miles WNW Cascade Locks OR
Overnight
Low: 39 °F
Chance Rain
Sunday
High: 47 °F
Rain
Sunday Night
Low: 41 °F
Showers
Likely then
Chance
ShowersMonday
High: 49 °F
Showers
LikelyMonday Night
Low: 41 °F
Chance
Showers then
Partly CloudyTuesday
High: 51 °F
Partly Sunny
Tuesday Night
Low: 40 °F
Mostly Cloudy
Wednesday
High: 52 °F
Mostly Sunny
and BreezyWednesday Night
Low: 39 °F
Mostly Clear
and Breezy
Detailed Forecast
Overnight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 39. Northeast wind 6 to 8 mph.
Sunday
Rain before 10am, then showers, mainly after 10am. High near 47. Southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 41. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 49. East southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of showers before 10pm. Partly cloudy, with a low around 41. East wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 52. Breezy.
Wednesday Night
Mostly clear, with a low around 39. Breezy.
Thursday
Sunny, with a high near 51. Breezy.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 52.
Additional Forecasts and Information
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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)
11:41 pm PST Jan 31, 2026
12am PST Feb 1, 2026-6pm PST Feb 7, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
