Lost Lake Weather Forecast

    • 53
    • 75

    Rain Likely

    • 43
    • 62

    Rain Likely

    • 43
    • 57

    Mostly Cloudy

    • 45
    • 57

    Mostly Cloudy

    • 44
    • 57

    Partly Sunny

    • 45
    • 58

    Partly Sunny

Today 16 Oct Island County

Mostly sunny. Highs in the mid 60s to lower 70s. South wind 10 to 15 Mph becoming west in the afternoon.

Tonight 16 Oct Island County

Partly cloudy in the Evening, then cloudy with a slight chance of rain after midnight. Cloudy with a chance of rain in the morning. Lows in the upper 40s to mid 50s. West wind to 10 Mph becoming southeast after midnight.

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Lost Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 12 October, 2026

    32 °F

  • Average October

    53.8 °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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