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

68°F

20°C

Humidity 42%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Apr 04:37 PM PDT
Extended Forecast for

3 Miles W Cascade Locks OR

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a steady temperature around 73. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 51. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 58. Southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 47. West southwest wind 10 to 13 mph, with gusts as high as 29 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 52. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 62.

    High: 62 °F

    Decreasing
    Clouds

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a steady temperature around 73. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 51. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 58. Southwest wind 6 to 14 mph, with gusts as high as 24 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 southwest wind 10 to 13 mph, with gusts as high as 29 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 52. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 34 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 45. Breezy.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 70. Breezy.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 48.
Monday
A slight chance of rain. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Cascade Locks OR
 45.67°N 121.94°W (Elev. 509 ft)
Last Update:
4:41 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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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