Lake Cassidy Weather Forecast

    • 41
    • 56

    Decreasing Clouds

    • 48
    • 55

    Rain

    • 42
    • 58

    Rain

    • 39
    • 54

    Slight Chance Rain

    • 42
    • 54

    Rain Likely

    • 45
    • 57

    Rain Likely

    • 46
    • 58

    Rain

Today 30 Oct Downtown Everett / Marysville Area

Mostly cloudy. Highs in the 50s. Light wind.

Tonight 30 Oct Downtown Everett / Marysville Area

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 40s. Southeast wind to 10 Mph increasing to 10 to 15 Mph after midnight.

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Lake Cassidy Temperature Statistics

October Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 14 October, 2025

    28.9 °F

  • Average October

    50.7 °F

  • Highest 7 October, 2025

    73.9 °F

Climate (2020–Present)

Arlington Municipal Airport (7.5 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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