Lost Lake Weather Forecast

    • 53
    • 67

    Rain

    • 49
    • 66

    Rain Showers

    • 49
    • 66

    Partly Sunny

    • 49
    • 66

    Partly Sunny

    • 53
    • 65

    Chance Rain

    • 52
    • 65

    Chance Rain

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    • 66

    Chance Rain

Today 24 Sep Island County

Partly sunny. A chance of rain in the Morning, then a slight chance of rain in the afternoon. Highs in the lower to mid 60s.

Tonight 24 Sep Island County

Cloudy with a chance of rain in the Evening, then rain after midnight. Rainfall Amounts a quarter to a half inch possible. 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

September Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 16 September, 2026

    44.1 °F

  • Average September

    59.2 °F

  • Highest 9 September, 2026

    78.1 °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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