Lost Lake Weather Forecast

    • 53
    • 83

    Chance Rain

    • 48
    • 64

    Chance Rain

    • 48
    • 67

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 57
    • 85

    Partly Sunny

Today 28 May Island County

Sunny. Highs in the 70s. Light wind becoming northwest around 10 Mph in the afternoon.

Tonight 28 May Island County

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 50s. West wind 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 18 May, 2026

    42.1 °F

  • Average May

    56.7 °F

  • Highest 12 May, 2026

    84 °F

Climate (2021–Present)

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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