Ross Lake Weather Forecast

    • 61
    • 88

    Decreasing Clouds

    • 63
    • 90

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 55
    • 76

    Mostly Cloudy

    • 55
    • 76

    Mostly Cloudy

Today 21 Jul Downtown Everett / Marysville Area

Mostly sunny. Highs in the 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 21 Jul Downtown Everett / Marysville Area

Partly cloudy. Lows in the lower 60s. Northwest wind to 10 Mph in the evening becoming light.

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Ross Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (5.6 miles)

  • Lowest 13 July, 2026

    44.6 °F

  • Average July

    62.1 °F

  • Highest 6 July, 2026

    81 °F

Climate (2021–2026)

Arlington Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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