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
29°F
-2°C
| Humidity | 79% |
| Wind Speed | SSE 1 MPH |
| Barometer | NA |
| Dewpoint | 24°F (-4°C) |
| Visibility | NA |
| Last update | 25 Jan 12:48 AM PST |
Extended Forecast for
4 Miles WSW Cascade Locks OR
Overnight
Low: 30 °F
Mostly Clear
Sunday
High: 40 °F
Mostly Sunny
Sunday Night
Low: 33 °F
Mostly Cloudy
Monday
High: 47 °F
Slight Chance
RainMonday Night
Low: 36 °F
Partly Cloudy
Tuesday
High: 45 °F
Partly Sunny
Tuesday Night
Low: 35 °F
Chance Rain
Wednesday
High: 46 °F
Chance Rain
Wednesday Night
Low: 41 °F
Rain Likely
Detailed Forecast
Overnight
Mostly clear, with a low around 30. North wind around 6 mph.
Sunday
Mostly sunny, with a high near 40. Northeast wind 8 to 11 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 33. North northeast wind around 6 mph.
Monday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 47. East northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 36. Calm wind becoming east around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Mostly cloudy, with a high near 46.
Wednesday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 41.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Partly sunny, with a high near 53.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Cascade Locks OR
45.65°N 121.93°W (Elev. 200 ft)
45.65°N 121.93°W (Elev. 200 ft)
1:01 am PST Jan 25, 2026
1am PST Jan 25, 2026-6pm PST Jan 31, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
