Lake Cassidy Weather Forecast

    • 52
    • 74

    Rain

    • 38
    • 61

    Rain

    • 39
    • 58

    Mostly Cloudy

    • 38
    • 58

    Mostly Cloudy

    • 37
    • 58

    Partly Sunny

    • 39
    • 60

    Partly Sunny

Today 16 Oct Downtown Everett / Marysville Area

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.

Tonight 16 Oct Downtown Everett / Marysville Area

Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain after midnight. Mostly cloudy with rain likely in the morning. Rainfall Amounts less than a tenth of an inch likely. Lows in the lower to mid 50s. Light wind becoming south 10 to 15 Mph with Gusts to 25 Mph after midnight.

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Lake Cassidy Temperature Statistics

October Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 12 October, 2026

    32 °F

  • Average October

    54.1 °F

  • Highest 2 October, 2026

    71.1 °F

Climate (2021–2026)

Arlington Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60 °F
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