Peek-a-boo Lake Weather Forecast

    • 53
    • 72

    Increasing Clouds

    • 51
    • 64

    Mostly Cloudy

    • 50
    • 64

    Mostly Cloudy

    • 52
    • 69

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

Today 24 Jul Cascades of Snohomish and Northern King Counties

Mostly sunny. Freezing level near 14500 feet. Afternoon pass Temperatures in the lower 70s. Light wind becoming west around 10 Mph with Gusts to 20 Mph in the afternoon.

Tonight 24 Jul Cascades of Snohomish and Northern King Counties

Mostly clear in the evening then becoming mostly cloudy. Freezing level near 14500 feet. Lows around 50. West wind in the Passes around 10 Mph in the evening becoming light. Gusts to 20 Mph.

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Peek-a-boo Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (31.1 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    64.7 °F

  • Highest 16 July, 2025

    91 °F

Climate (2020–Present)

Arlington Municipal Airport (31.1 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.7 °F
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