Lost Lake Weather Forecast

    • 45
    • 61

    Increasing Clouds

    • 50
    • 60

    Mostly Cloudy

    • 50
    • 64

    Mostly Cloudy

    • 50
    • 65

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 50
    • 62

    Chance Rain

Today 12 Oct Island County

Sunny. Highs in the mid 50s to lower 60s. Light wind.

Tonight 12 Oct Island County

Mostly clear in the evening then becoming mostly cloudy. Lows in the 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 8 October, 2026

    44.1 °F

  • Average October

    56.2 °F

  • Highest 2 October, 2026

    71.1 °F

Climate (2021–2026)

Arlington Municipal Airport (14.9 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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