Lochsloy Weather Forecast

    • 50
    • 70

    Mostly Cloudy

    • 50
    • 71

    Chance Rain

    • 50
    • 68

    Chance Rain

    • 48
    • 71

    Partly Sunny

    • 50
    • 75

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

Today 11 Sep Foothills and Valleys of Snohomish and Northern King Counties

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

Tonight 11 Sep Foothills and Valleys of Snohomish and Northern King Counties

Cloudy. Lows in the upper 40s to mid 50s. Light wind.

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Lochsloy Temperature Statistics

September Temperature

Arlington Municipal Airport (9.3 miles)

  • Lowest 8 September, 2026

    46 °F
  • Average September

    60.2 °F
  • Highest 8 September, 2026

    73.9 °F

Climate (2021–2026)

Arlington Municipal Airport (9.3 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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