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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
46°F
8°C
| Humidity | 91% |
| Wind Speed | NNE 0 MPH |
| Barometer | NA |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Last update | 01 Feb 09:48 PM PST |
Extended Forecast for
5 Miles E Cascade Locks OR
Tonight
Low: 45 °F
Mostly Cloudy
then Slight
Chance RainMonday
High: 52 °F
Chance Rain
Monday Night
Low: 45 °F
Partly Cloudy
Tuesday
High: 53 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Mostly Cloudy
Wednesday
High: 54 °F
Mostly Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 53 °F
Sunny and
BreezyThursday Night
Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 45. West wind around 6 mph becoming light and variable after midnight.
Monday
A 50 percent chance of rain. Partly sunny, with a high near 52. East wind around 5 mph becoming north in the afternoon.
Monday Night
Partly cloudy, with a low around 45. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 53. East wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 44. East wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 53. Breezy.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 56.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Saturday
A chance of rain. Partly sunny, with a high near 55.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 53.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles E Cascade Locks OR
45.7°N 121.79°W (Elev. 157 ft)
45.7°N 121.79°W (Elev. 157 ft)
9:45 pm PST Feb 1, 2026
10pm PST Feb 1, 2026-6pm PST Feb 8, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
