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
50°F
10°C
| Humidity | 88% |
| Wind Speed | N 3 MPH |
| Barometer | NA |
| Dewpoint | 46°F (8°C) |
| Visibility | NA |
| Last update | 31 Jan 12:18 PM PST |
Extended Forecast for
8 Miles NNE Cascade Locks OR
This Afternoon
High: 51 °F
Partly Sunny
Tonight
Low: 41 °F
Mostly Cloudy
then Slight
Chance RainSunday
High: 46 °F
Rain
Sunday Night
Low: 41 °F
Rain Likely
then Chance
RainMonday
High: 47 °F
Rain Likely
Monday Night
Low: 42 °F
Chance Rain
then Mostly
CloudyTuesday
High: 51 °F
Partly Sunny
Tuesday Night
Low: 40 °F
Mostly Cloudy
Wednesday
High: 51 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 51. East wind around 7 mph.
Tonight
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 41. East northeast wind around 6 mph.
Sunday
Rain. High near 46. West southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. West southwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 47. South wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 51.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles NNE Cascade Locks OR
45.78°N 121.78°W (Elev. 1398 ft)
45.78°N 121.78°W (Elev. 1398 ft)
11:41 am PST Jan 31, 2026
12pm PST Jan 31, 2026-6pm PST Feb 6, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
