National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

55°F

13°C

Humidity 84%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 22 Sep 11:18 PM PDT
Extended Forecast for

6 Miles SSW Cascade Locks OR

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 46. Southwest wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 61. Light and variable wind.

    High: 61 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain, mainly after 11pm. Low around 43. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 46. Chance of precipitation is 100%.

    High: 46 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Snow level 6100 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 46. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 57. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 44. Light and variable wind.
Thursday
Increasing clouds, with a high near 61. Light and variable wind.
Thursday Night
Rain, mainly after 11pm. Low around 43. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 46. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before 11pm. Snow level 6100 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Cascade Locks OR
 45.59°N 121.91°W (Elev. 3855 ft)
Last Update:
11:27 pm PDT Sep 22, 2026
Forecast Valid:
11pm PDT Sep 22, 2026-6pm PDT Sep 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation