Lost Lake Weather Forecast

    • 59
    • 86

    Chance Rain

    • 57
    • 80

    Rain Showers

    • 56
    • 81

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 60
    • 84

    Partly Sunny

Today 15 Jul Island County

Sunny. Highs in the 70s to lower 80s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 15 Jul Island County

Partly cloudy until early Morning, then mostly cloudy with a chance of rain in the morning. Lows in the mid to upper 50s. Northwest wind to 10 Mph becoming west after midnight.

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Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 5 July, 2026

    46.4 °F

  • Average July

    61.5 °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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