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

67°F

19°C

Humidity 43%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Apr 03:37 PM PDT
Extended Forecast for

Cascade Locks OR

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a steady temperature around 74. East wind around 8 mph becoming west. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 52. West wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 59. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 47. West wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain before 11am, then showers after 11am. High near 54. West wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a steady temperature around 74. East wind around 8 mph becoming west. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 52. West wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 59. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely. Cloudy, with a low around 47. West wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 11am, then showers after 11am. High near 54. West wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.
Thursday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.66°N 121.9°W (Elev. 102 ft)
Last Update:
3:41 pm PDT Apr 20, 2026
Forecast Valid:
3pm PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation