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 77%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 31 Aug 06:35 AM PDT
Extended Forecast for

4 Miles SSW Cascade Locks OR

  • Today

    Today: Sunny, with a high near 81. Calm wind becoming east around 6 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 53. West southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. Areas of fog after 5pm. High near 61. Light south southwest wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Areas of fog before 8pm. Low around 51. Chance of precipitation is 100%.

    Low: 51 °F

    Showers and
    Areas Fog

  • Thursday

    Thursday: Rain likely, then showers and possibly a thunderstorm after 11am. Patchy fog between 9am and 11am. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain, mainly before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 81. Calm wind becoming east around 6 mph.
Tonight
Mostly cloudy, with a low around 54. Calm wind.
Tuesday
Mostly cloudy, with a high near 66. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 53. West southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday
Rain, mainly between 11am and 5pm, then showers and possibly a thunderstorm after 5pm. Areas of fog after 5pm. High near 61. Light south southwest wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then rain after 8pm. Areas of fog before 8pm. Low around 51. Chance of precipitation is 100%.
Thursday
Rain likely, then showers and possibly a thunderstorm after 11am. Patchy fog between 9am and 11am. High near 60. Chance of precipitation is 90%.
Thursday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 49.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 64.
Friday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 51.
Saturday
A chance of rain. Partly sunny, with a high near 69.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Sunday
A chance of rain. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
6:41 am PDT Aug 31, 2026
Forecast Valid:
6am PDT Aug 31, 2026-6pm PDT Sep 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation