Lost Lake Weather Forecast

    • 56
    • 77

    Increasing Clouds

    • 54
    • 76

    Cloudy

    • 53
    • 73

    Partly Sunny

    • 53
    • 75

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

Today 9 Jul Island County

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

Tonight 9 Jul Island County

Partly cloudy until early morning then becoming mostly cloudy. Lows in the lower to mid 50s. West wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 5 July, 2026

    46.4 °F

  • Average July

    60.7 °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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