Lake Roesiger Weather Forecast

    • 52
    • 70

    Becoming Sunny

    • 57
    • 86

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 52
    • 73

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 55
    • 76

    Chance Rain

Today 15 Sep Foothills and Valleys of Snohomish and Northern King Counties

Mostly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 15 Sep Foothills and Valleys of Snohomish and Northern King Counties

Mostly clear. Areas of smoke after midnight. Haze after midnight. Lows in the 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Roesiger Temperature Statistics

September Temperature

Arlington Municipal Airport (16.2 miles)

  • Lowest 9 September, 2025

    51.8 °F

  • Average September

    63.4 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Arlington Municipal Airport (16.2 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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