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

72°F

22°C

Humidity 56%
Wind Speed S 9 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 19 Aug 12:15 PM PDT
Extended Forecast for

6 Miles WNW Cascade Locks OR

  • This Afternoon

    This Afternoon: Patchy smoke after 4pm. Partly sunny, then gradually becoming sunny, with a high near 75. West southwest wind 8 to 10 mph.

    High: 75 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke before 8pm. Mostly clear, with a low around 58. West wind 5 to 8 mph.

    Low: 58 °F

    Patchy Smoke
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. West wind 5 to 9 mph becoming light west northwest.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 78. West southwest wind 5 to 8 mph.

    High: 78 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 64. Breezy.

    High: 64 °F

    Slight Chance
    T-storms then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. Breezy.

    Low: 55 °F

    Increasing
    Clouds and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Breezy.

    High: 69 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Patchy smoke after 4pm. Partly sunny, then gradually becoming sunny, with a high near 75. West southwest wind 8 to 10 mph.
Tonight
Patchy smoke before 8pm. Mostly clear, with a low around 58. West wind 5 to 8 mph.
Thursday
Sunny, with a high near 80. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 62. West wind 5 to 9 mph becoming light west northwest.
Friday
Mostly cloudy, with a high near 78. West southwest wind 5 to 8 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 57.
Saturday
A 20 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 64. Breezy.
Saturday Night
Increasing clouds, with a low around 55. Breezy.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Breezy.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Cascade Locks OR
 45.71°N 121.98°W (Elev. 2543 ft)
Last Update:
11:41 am PDT Aug 19, 2026
Forecast Valid:
12pm PDT Aug 19, 2026-6pm PDT Aug 25, 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