Lake Cassidy Weather Forecast

    • 56
    • 80

    Increasing Clouds

    • 54
    • 75

    Chance Rain

    • 51
    • 71

    Rain Likely

    • 49
    • 70

    Chance Rain

    • 50
    • 71

    Partly Sunny

    • 52
    • 71

    Chance Rain

Today 26 Aug Downtown Everett / Marysville Area

Mostly cloudy in the morning then becoming mostly sunny. Highs in the 70s. Light wind.

Tonight 26 Aug Downtown Everett / Marysville Area

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid to upper 50s. West wind to 10 Mph becoming southeast after midnight.

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  • Temperature Real-Time

Lake Cassidy Temperature Statistics

August Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 3 August, 2026

    46.4 °F

  • Average August

    64.6 °F

  • Highest 6 August, 2026

    84.9 °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

    59.9 °F
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