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

Hazardous Weather Conditions

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

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

NA

82°F

28°C

Humidity 41%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Heat Index82°F (28°C)
Last update 18 Aug 06:05 PM PDT
Extended Forecast for

4 Miles S Cascade Locks OR

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. West wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 77.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Cascade Locks OR
 45.62°N 121.89°W (Elev. 833 ft)
Last Update:
5:41 pm PDT Aug 18, 2026
Forecast Valid:
6pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
 
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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