Pinnacle Lake Weather Forecast

    • 57
    • 76

    Sunny

    • 57
    • 72

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

    • 49
    • 62

    Mostly Cloudy

    • 50
    • 61

    Mostly Cloudy

    • 52
    • 61

    Mostly Cloudy

Today 16 Jul Cascades of Snohomish and Northern King Counties

Sunny. Freezing level near 15000 feet. Afternoon pass Temperatures in the upper 70s. Light wind.

Tonight 16 Jul Cascades of Snohomish and Northern King Counties

Clear. Freezing level near 15000 feet. Lows in the mid 50s. West wind in the Passes around 10 Mph with Gusts to 20 Mph in the evening becoming light.

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Pinnacle Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (19.9 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    64.1 °F

  • Highest 13 July, 2025

    88 °F

Climate (2020–Present)

Arlington Municipal Airport (19.9 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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