Lake Cassidy Weather Forecast

    • 52
    • 73

    Chance Rain

    • 47
    • 72

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 54
    • 81

    Chance Rain

    • 54
    • 78

    Slight Chance Rain

    • 55
    • 81

    Mostly Sunny

Today 11 Jul Downtown Everett / Marysville Area

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

Tonight 11 Jul Downtown Everett / Marysville Area

Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain after midnight. Mostly cloudy with a chance of rain in the morning. Lows in the lower to mid 50s. West wind to 10 Mph in the evening becoming light.

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Lake Cassidy Temperature Statistics

July Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 5 July, 2026

    46.4 °F

  • Average July

    61.1 °F

  • Highest 6 July, 2026

    81 °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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