John Sam Lake Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 52
    • 72

    Partly Sunny

    • 51
    • 71

    Mostly Sunny

    • 52
    • 73

    Partly Sunny

    • 53
    • 73

    Partly Sunny

Today 30 Jun Downtown Everett / Marysville Area

Sunny. Highs in the mid 70s to lower 80s. Light wind becoming northwest 10 to 15 Mph in the afternoon.

Tonight 30 Jun Downtown Everett / Marysville Area

Mostly clear. Lows in the 50s. Northwest wind 10 to 15 Mph in the evening becoming light.

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John Sam Lake Temperature Statistics

June Temperature

Arlington Municipal Airport (5 miles)

  • Lowest 2 June, 2025

    42.1 °F

  • Average June

    60.2 °F

  • Highest 8 June, 2025

    86 °F

Climate (2020–Present)

Arlington Municipal Airport (5 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.6 °F
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