Hanson Lake Weather Forecast

    • 60
    • 79

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 59
    • 75

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 62
    • 80

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

    • 63
    • 84

    Partly Sunny

Today 29 Aug Foothills and Valleys of Snohomish and Northern King Counties

Partly sunny. Highs in the 80s. Light wind.

Tonight 29 Aug Foothills and Valleys of Snohomish and Northern King Counties

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog late in the night. Lows in the mid 50s to lower 60s. Light wind.

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Hanson Lake Temperature Statistics

August Temperature

Arlington Municipal Airport (15.5 miles)

  • Lowest 21 August, 2025

    46 °F

  • Average August

    66 °F

  • Highest 12 August, 2025

    93 °F

Climate (2020–Present)

Arlington Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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