Lost Lake Weather Forecast

    • 56
    • 78

    Increasing Clouds

    • 54
    • 76

    Mostly Cloudy

    • 55
    • 77

    Partly Sunny

    • 55
    • 77

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 56
    • 77

    Mostly Sunny

Today 7 Jul Island County

Mostly sunny. Highs in the upper 60s to mid 70s. Southwest wind 10 to 15 Mph becoming west in the afternoon. Gusts to 25 Mph.

Tonight 7 Jul Island County

Breezy. Mostly cloudy. Lows in the 50s. West wind 15 to 25 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

    59.7 °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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