Hanson Lake Weather Forecast

    • 40
    • 52

    Becoming Sunny

    • 39
    • 54

    Sunny

    • 38
    • 52

    Sunny

    • 37
    • 52

    Mostly Sunny

    • 35
    • 50

    Mostly Cloudy

    • 34
    • 46

    Mostly Cloudy

    • 34
    • 43

    Chance Rain/Snow

Today 16 Jan Foothills and Valleys of Snohomish and Northern King Counties

Sunny. Highs in the lower to mid 50s. Light wind.

Tonight 16 Jan Foothills and Valleys of Snohomish and Northern King Counties

Mostly clear. Lows in the mid 30s to lower 40s. Light wind.

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Hanson Lake Temperature Statistics

January Temperature

Arlington Municipal Airport (15.5 miles)

  • Lowest 1 January, 2026

    26.6 °F

  • Average January

    44.7 °F

  • Highest 13 January, 2026

    57.9 °F

Climate (2021–Present)

Arlington Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.8 °F
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