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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
35°F
2°C
| Humidity | 61% |
| Wind Speed | ENE 7 MPH |
| Barometer | NA |
| Dewpoint | 23°F (-5°C) |
| Visibility | NA |
| Wind Chill | 29°F (-2°C) |
| Last update | 21 Jan 03:38 PM PST |
Extended Forecast for
3 Miles WNW Cascade Locks OR
This Afternoon
High: 35 °F
Sunny and
BreezyTonight
Low: 27 °F
Mostly Clear
and BlusteryThursday
High: 34 °F
Increasing
CloudsThursday Night
Low: 27 °F
Decreasing
CloudsFriday
High: 37 °F
Sunny and
BreezyFriday Night
Low: 23 °F
Mostly Clear
and BreezySaturday
High: 39 °F
Sunny
Saturday Night
Low: 25 °F
Mostly Clear
Sunday
High: 40 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 35. Breezy, with an east northeast wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 27. Blustery, with a northeast wind 13 to 15 mph, with gusts as high as 30 mph.
Thursday
Increasing clouds, with a high near 34. East northeast wind 8 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. East northeast wind around 10 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 37. Breezy, with an east wind 14 to 16 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 23. Breezy.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
A slight chance of snow after 4am. Snow level 1900 feet. Mostly cloudy, with a low around 29.
Monday
A slight chance of rain and snow. Snow level 2400 feet rising to 3400 feet in the afternoon. Partly sunny, with a high near 44.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 32.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 44.
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)
3:41 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 27, 2026
Additional Resources
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Hourly Weather Forecast
