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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
36°F
2°C
| Humidity | 55% |
| Wind Speed | E 4 MPH |
| Barometer | NA |
| Dewpoint | 21°F (-6°C) |
| Visibility | NA |
| Wind Chill | 33°F (1°C) |
| Last update | 23 Jan 07:58 AM PST |
Extended Forecast for
3 Miles WNW Cascade Locks OR
Today
High: 35 °F
Sunny and
WindyTonight
Low: 23 °F
Clear and
BlusterySaturday
High: 37 °F
Sunny and
Breezy then
SunnySaturday Night
Low: 25 °F
Mostly Clear
Sunday
High: 37 °F
Mostly Sunny
Sunday Night
Low: 30 °F
Mostly Cloudy
Monday
High: 44 °F
Slight Chance
Rain/Snow
then Slight
Chance
ShowersMonday Night
Low: 33 °F
Partly Cloudy
Tuesday
High: 43 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 35. Windy, with an east northeast wind 20 to 23 mph, with gusts as high as 41 mph.
Tonight
Clear, with a low around 23. Blustery, with a northeast wind 16 to 18 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 37. Breezy, with an east northeast wind 10 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 25. East wind around 9 mph.
Sunday
Mostly sunny, with a high near 37. East wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
A slight chance of rain and snow showers before 10am, then a slight chance of rain showers. Snow level 2400 feet rising to 3600 feet in the afternoon. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
A slight chance of rain showers after 10pm, mixing with snow after 4am. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 40.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 35.
Thursday
A chance of showers. Partly sunny, with a high near 45.
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)
7:42 am PST Jan 23, 2026
8am PST Jan 23, 2026-6pm PST Jan 29, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
