Lost Lake Weather Forecast

    • 50
    • 70

    Increasing Clouds

    • 51
    • 75

    Increasing Clouds

    • 51
    • 72

    Mostly Cloudy

    • 51
    • 75

    Partly Sunny

    • 53
    • 78

    Slight Chance Rain

    • 52
    • 76

    Partly Sunny

    • 51
    • 74

    Chance Rain

Today 8 May Island County

Mostly cloudy early in the afternoon then becoming mostly sunny. Highs in the 60s. West wind around 10 Mph.

Tonight 8 May Island County

Partly cloudy. Lows near 50. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 1 May, 2026

    46 °F

  • Average May

    60.6 °F

  • Highest 4 May, 2026

    79 °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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