Lost Lake Weather Forecast

    • 56
    • 78

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 55
    • 74

    Rain

    • 54
    • 73

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

Today 30 Jul Island County

Sunny. Highs in the upper 60s to mid 70s. Southwest wind to 10 Mph becoming west in the afternoon.

Tonight 30 Jul Island County

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

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  • Temperature Real-Time

Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 13 July, 2026

    44.6 °F

  • Average July

    64.1 °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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