Lost Lake Weather Forecast

    • 53
    • 68

    Mostly Sunny

    • 52
    • 67

    Partly Sunny

    • 52
    • 67

    Partly Sunny

    • 51
    • 65

    Mostly Cloudy

    • 52
    • 65

    Partly Sunny

    • 52
    • 66

    Partly Sunny

    • 51
    • 61

    Chance Rain

Today 3 Oct Island County

Partly sunny. A slight chance of rain in the morning. Highs in the upper 50s.

Tonight 3 Oct Island County

Mostly clear. Lows in the upper 40s to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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Lost Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 1 October, 2026

    48.9 °F

  • Average October

    56.9 °F

  • Highest 1 October, 2026

    69.1 °F

Climate (2021–2026)

Arlington Municipal Airport (14.9 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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