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
36°F
2°C
| Humidity | 63% |
| Wind Speed | E 8 MPH |
| Barometer | NA |
| Dewpoint | 25°F (-4°C) |
| Visibility | NA |
| Wind Chill | 30°F (-1°C) |
| Last update | 19 Jan 03:22 PM PST |
Extended Forecast for
7 Miles S Cascade Locks OR
M.L.King Day
High: 41 °F
Sunny
Tonight
Low: 35 °F
Mostly Clear
Tuesday
High: 43 °F
Mostly Sunny
Tuesday Night
Low: 28 °F
Partly Cloudy
Wednesday
High: 40 °F
Mostly Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 43 °F
Mostly Sunny
Thursday Night
Low: 29 °F
Frost then
Slight Chance
Rain/SnowFriday
High: 41 °F
Slight Chance
Rain/Snow
then Sunny
Detailed Forecast
M.L.King Day
Sunny, with a high near 41. East wind around 6 mph.
Tonight
Mostly clear, with a steady temperature around 35. East wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 43. Light east wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 28. East wind around 6 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 40. East wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
A slight chance of rain and snow after 4am. Widespread frost. Snow level 2400 feet. Otherwise, partly cloudy, with a low around 29.
Friday
A slight chance of rain and snow before 7am, then a slight chance of snow between 7am and 10am. Snow level rising to 2500 feet in the afternoon. Sunny, with a high near 41.
Friday Night
Widespread frost before 11pm. Otherwise, mostly clear, with a low around 29.
Saturday
A slight chance of rain and snow. Snow level 2000 feet rising to 3100 feet in the afternoon. Mostly sunny, with a high near 42.
Saturday Night
A chance of rain and snow. Snow level 3300 feet. Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Snow level 3300 feet rising to 3900 feet in the afternoon. Partly sunny, with a high near 45.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
7 Miles S Cascade Locks OR
45.58°N 121.85°W (Elev. 2018 ft)
45.58°N 121.85°W (Elev. 2018 ft)
2:42 pm PST Jan 19, 2026
3pm PST Jan 19, 2026-6pm PST Jan 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
