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

54°F

12°C

Humidity 85%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 22 Sep 11:48 PM PDT
Extended Forecast for

Cascade Locks OR

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 54. Southwest wind around 7 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. West southwest wind 5 to 9 mph.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 74. Light and variable wind.

    High: 74 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain, mainly after 11pm. Low around 54. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 58. Breezy. Chance of precipitation is 100%.

    High: 58 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 47. Breezy. Chance of precipitation is 60%.

    Low: 47 °F

    Breezy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 54. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 71. West southwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 74. Light and variable wind.
Thursday Night
Rain, mainly after 11pm. Low around 54. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 58. Breezy. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 47. Breezy. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Locks OR
 45.66°N 121.87°W (Elev. 732 ft)
Last Update:
11:41 pm PDT Sep 22, 2026
Forecast Valid:
12am PDT Sep 23, 2026-6pm PDT Sep 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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