South Cascade Lake Weather Forecast

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    • 40

    Rain/Snow Likely

    • 26
    • 34

    Rain/Snow Likely

    • 31
    • 36

    Rain/Snow

    • 30
    • 32

    Rain/Snow

    • 29
    • 33

    Chance Snow

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    • 33

    Chance Rain/Snow

Today 16 Oct Cascades of Whatcom and Skagit Counties

Mostly sunny. Freezing level near 11500 feet.

Tonight 16 Oct Cascades of Whatcom and Skagit Counties

Mostly cloudy. A slight chance of Showers in the evening. A chance of Showers after Midnight, then Showers likely in the morning. Snow level near 7000 feet. Rainfall Amounts a tenth to a quarter of an inch possible. No snow accumulation.

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South Cascade Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (52.2 miles)

  • Lowest 14 October, 2025

    28.9 °F

  • Average October

    52.4 °F

  • Highest 7 October, 2025

    73.9 °F

Climate (2020–Present)

Arlington Municipal Airport (52.2 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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