Lost Lake Weather Forecast

    • 58
    • 85

    Partly Sunny

    • 60
    • 84

    Mostly Cloudy

    • 57
    • 81

    Chance Rain

    • 57
    • 83

    Partly Sunny

    • 56
    • 78

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

Today 24 Jul Island County

Mostly sunny. Highs in the 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 24 Jul Island County

Mostly clear in the evening then becoming mostly cloudy. Lows in the 50s to lower 60s. West wind 10 to 15 Mph becoming southwest after midnight.

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Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 13 July, 2026

    44.6 °F

  • Average July

    63.5 °F

  • Highest 22 July, 2026

    93 °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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