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 66%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 21 Aug 03:15 AM PDT
Extended Forecast for

3 Miles SW Cascade Locks OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Light southwest wind.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 84. Light southwest wind becoming west southwest 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms, mainly between 2am and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 62. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 60 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 77.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. Light southwest wind.
Friday
Mostly cloudy, with a high near 84. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms, mainly between 2am and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 62. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 77. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 60. Breezy, with a west southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 77. Breezy.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cascade Locks OR
 45.65°N 121.93°W (Elev. 200 ft)
Last Update:
3:41 am PDT Aug 21, 2026
Forecast Valid:
3am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

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Chance of Precipitation