Stillaguamish River - Stanwood Weather Forecast

    • 54
    • 74

    Increasing Clouds

    • 54
    • 75

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

    • 55
    • 75

    Mostly Cloudy

Today 19 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the 60s to lower 70s. South wind to 10 Mph becoming southwest around 10 Mph in the afternoon.

Tonight 19 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy until early morning then becoming mostly cloudy. Lows in the lower to mid 50s. West wind to 10 Mph becoming south after midnight.

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Stillaguamish River - Stanwood Temperature Statistics

July Temperature

Arlington Municipal Airport (10.6 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    65.4 °F

  • Highest 16 July, 2025

    91 °F

Climate (2020–Present)

Arlington Municipal Airport (10.6 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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