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
44°F
7°C
| Humidity | 91% |
| Wind Speed | SE 3 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Last update | 31 Jan 04:28 AM PST |
Extended Forecast for
3 Miles WNW Cascade Locks OR
Overnight
Low: 43 °F
Slight Chance
RainSaturday
High: 51 °F
Partly Sunny
Saturday Night
Low: 40 °F
Mostly Cloudy
then Slight
Chance RainSunday
High: 48 °F
Rain
Sunday Night
Low: 41 °F
Rain 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: 41 °F
Mostly Cloudy
then Mostly
Cloudy and
Breezy
Detailed Forecast
Overnight
A 20 percent chance of rain before 5am. Mostly cloudy, with a low around 43. North northeast wind around 7 mph.
Saturday
Partly sunny, with a high near 51. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 40. Northeast wind 6 to 9 mph.
Sunday
Rain. High near 48. Southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 41. South southwest wind around 7 mph. Chance of precipitation is 80%. 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. Chance of precipitation is 70%.
Monday Night
A 40 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 41. Breezy.
Wednesday
Mostly sunny, with a high near 53. Breezy.
Wednesday Night
Partly cloudy, with a low around 40. Breezy.
Thursday
Sunny, with a high near 52. Breezy.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 53.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
4:41 am PST Jan 31, 2026
4am PST Jan 31, 2026-6pm PST Feb 6, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
