Lake Cassidy Weather Forecast

    • 31
    • 45

    Decreasing Clouds

    • 35
    • 49

    Mostly Sunny

    • 44
    • 50

    Chance Rain

    • 48
    • 55

    Rain

    • 41
    • 54

    Rain

    • 36
    • 48

    Chance Rain

Today 3 Dec East Puget Sound Lowlands

Mostly sunny. Areas of fog late in the morning. Highs in the mid 40s to lower 50s. Light wind.

Tonight 3 Dec East Puget Sound Lowlands

Mostly clear. Lows in the 30s. East wind to 10 Mph.

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Lake Cassidy Temperature Statistics

December Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 1 December, 2024

    27 °F

  • Average December

    34.7 °F

  • Highest 1 December, 2024

    46.9 °F

Climate (2019–Present)

Arlington Municipal Airport (7.5 miles)

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  • Average Low 2019–2024

    42.4 °F

  • Average 2019–2024

    50.4 °F

  • Average High 2019–2024

    59.5 °F
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