Lost Lake Weather Forecast

    • 51
    • 59

    Mostly Cloudy

    • 49
    • 64

    Chance Rain

    • 51
    • 69

    Partly Sunny

    • 53
    • 71

    Mostly Cloudy

    • 48
    • 60

    Chance Rain

    • 49
    • 58

    Rain Likely

Today 13 Oct Island County

Mostly cloudy. Highs in the mid 50s to lower 60s. Southeast wind to 10 Mph.

Tonight 13 Oct Island County

Mostly cloudy. Lows near 50. Light wind becoming southeast to 10 Mph with Gusts to 35 Mph after midnight.

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Lost Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 10 October, 2026

    39.9 °F

  • Average October

    55.4 °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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