Hanson Lake Weather Forecast

    • 50
    • 57

    Rain Likely

    • 49
    • 60

    Decreasing Clouds

    • 47
    • 62

    Partly Sunny

    • 51
    • 71

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 51
    • 69

    Partly Sunny

Today 13 Sep Foothills and Valleys of Snohomish and Northern King Counties

Rain in the late morning and early Afternoon, then cloudy with a chance of rain late in the afternoon. Patchy fog through the day. Rainfall Amounts a quarter to a half inch possible. Highs in the upper 50s to mid 60s. Light wind.

Tonight 13 Sep Foothills and Valleys of Snohomish and Northern King Counties

Cloudy with a chance of rain. Lows in the lower to mid 50s. South wind to 10 Mph with Gusts to 25 Mph.

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  • Temperature Forecast NOAA

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Hanson Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (15.5 miles)

  • Lowest 8 September, 2026

    46 °F

  • Average September

    60.5 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (15.5 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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