Sunday Lake Weather Forecast

    • 51
    • 72

    Increasing Clouds

    • 50
    • 74

    Becoming Sunny

    • 52
    • 76

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 56
    • 78

    Partly Sunny

    • 53
    • 75

    Partly Sunny

Today 26 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 70s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 26 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear until early morning then becoming mostly cloudy. Patchy fog late in the night. Lows in the upper 40s to mid 50s. West wind to 10 Mph in the evening becoming light.

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Sunday Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (6.2 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    64.7 °F

  • Highest 16 July, 2025

    91 °F

Climate (2020–Present)

Arlington Municipal Airport (6.2 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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