Lost Lake Weather Forecast

    • 55
    • 84

    Increasing Clouds

    • 57
    • 78

    Mostly Cloudy

    • 54
    • 75

    Chance Rain

    • 54
    • 75

    Partly Sunny

    • 55
    • 73

    Mostly Cloudy

    • 54
    • 71

    Partly Sunny

    • 55
    • 74

    Partly Sunny

Today 6 Jul Island County

Sunny. Highs in the 70s. Northwest wind to 10 Mph.

Tonight 6 Jul Island County

Mostly clear. Lows in the lower to mid 50s. West wind 10 to 15 Mph.

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  • Temperature Real-Time

Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 2 July, 2026

    48.9 °F

  • Average July

    59.3 °F

  • Highest 3 July, 2026

    73 °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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