Lost Lake Weather Forecast

    • 64
    • 96

    Increasing Clouds

    • 59
    • 86

    Chance Rain

    • 58
    • 84

    Partly Sunny

    • 58
    • 81

    Mostly Cloudy

    • 56
    • 76

    Mostly Cloudy

    • 56
    • 74

    Mostly Cloudy

Today 22 Jul Island County

Sunny. Patchy smoke. Highs in the upper 70s to mid 80s. Light wind becoming northwest around 10 Mph in the afternoon.

Tonight 22 Jul Island County

Partly cloudy. Patchy smoke in the evening. Lows in the upper 50s to mid 60s. Northwest wind to 10 Mph becoming southwest after midnight.

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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

    62.4 °F

  • Highest 20 July, 2026

    82 °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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