Lost Lake Weather Forecast

    • 61
    • 82

    Partly Sunny

    • 63
    • 84

    Mostly Sunny

    • 61
    • 84

    Partly Sunny

    • 58
    • 81

    Partly Sunny

    • 57
    • 76

    Mostly Cloudy

    • 57
    • 77

    Mostly Cloudy

Today 21 Jul Island County

Partly sunny. Patchy smoke. Highs in the mid 70s to lower 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 21 Jul Island County

Partly cloudy. Patchy smoke in the evening. Lows in the mid 50s to lower 60s. Northwest wind to 10 Mph in the evening becoming light.

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Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 13 July, 2026

    44.6 °F

  • Average July

    62.1 °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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