Lake Julia Weather Forecast

    • 53
    • 80

    Increasing Clouds

    • 52
    • 72

    Mostly Cloudy

    • 51
    • 73

    Mostly Cloudy

    • 51
    • 77

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

Today 24 Jul Foothills and Valleys of Snohomish and Northern King Counties

Mostly sunny. Patchy fog in the morning. Highs in the mid 70s to lower 80s. Light wind.

Tonight 24 Jul Foothills and Valleys of Snohomish and Northern King Counties

Mostly clear in the evening then becoming mostly cloudy. Lows in the 50s. Light wind.

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Lake Julia Temperature Statistics

July Temperature

Arlington Municipal Airport (14.3 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    64.7 °F

  • Highest 16 July, 2025

    91 °F

Climate (2020–Present)

Arlington Municipal Airport (14.3 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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