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

70°F

21°C

Humidity 46%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 22 Sep 04:18 PM PDT
Extended Forecast for

3 Miles SSE Cascade Locks OR

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Southwest wind 6 to 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. West southwest wind 3 to 6 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. West southwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 11pm. Low around 44. West wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 45. Chance of precipitation is 90%.

    High: 45 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before 11pm. Snow level 6300 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Southwest wind 6 to 9 mph.
Wednesday
Partly sunny, with a high near 56. West southwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 45. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 59. Calm wind.
Thursday Night
Rain, mainly after 11pm. Low around 44. West wind 3 to 8 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 after 11am. High near 45. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of rain, mainly before 11pm. Snow level 6300 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 41.
Monday
A slight chance of rain. Partly sunny, with a high near 51.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Cascade Locks OR
 45.64°N 121.87°W (Elev. 3615 ft)
Last Update:
3:41 pm PDT Sep 22, 2026
Forecast Valid:
4pm PDT Sep 22, 2026-6pm PDT Sep 29, 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