Myrtle Lake Weather Forecast

    • 51
    • 62

    Increasing Clouds

    • 50
    • 63

    Mostly Cloudy

    • 51
    • 64

    Partly Sunny

    • 49
    • 64

    Partly Sunny

    • 53
    • 71

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 17 Aug Cascades of Snohomish and Northern King Counties

Partly sunny. A slight chance of Showers in the morning. Widespread dense fog in the morning. Snow level near 7500 feet. Afternoon pass Temperatures in the mid 60s. Light wind.

Tonight 17 Aug Cascades of Snohomish and Northern King Counties

Mostly cloudy. Freezing level near 12000 feet. Lows in the upper 40s. Light wind.

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Myrtle Lake Temperature Statistics

August Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 8 August, 2025

    46.9 °F

  • Average August

    66.1 °F

  • Highest 12 August, 2025

    93 °F

Climate (2020–Present)

Arlington Municipal Airport (34.2 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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