Lost Lake Weather Forecast

    • 41
    • 52

    Increasing Clouds

    • 39
    • 53

    Mostly Cloudy

    • 44
    • 54

    Mostly Cloudy

    • 45
    • 56

    Mostly Cloudy

    • 48
    • 58

    Chance Rain

    • 48
    • 57

    Rain Likely

    • 46
    • 57

    Chance Rain

Today 31 Oct Island County

Mostly sunny. Patchy fog late in the morning. Highs in the upper 40s to mid 50s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 31 Oct Island County

Mostly cloudy. Lows in the mid 30s to lower 40s. Northwest wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 12 October, 2026

    32 °F

  • Average October

    51.1 °F

  • Highest 16 October, 2026

    78.1 °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

    60 °F
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