Lost Lake Weather Forecast

    • 54
    • 76

    Mostly Cloudy

    • 54
    • 75

    Mostly Cloudy

    • 53
    • 75

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

Today 10 Jul Island County

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

Tonight 10 Jul Island County

Mostly cloudy. Lows in the lower to mid 50s. West wind 10 to 20 Mph.

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Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 5 July, 2026

    46.4 °F

  • Average July

    60.9 °F

  • Highest 6 July, 2026

    81 °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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