Lost Lake Weather Forecast

    • 52
    • 84

    Rain Likely

    • 50
    • 66

    Rain

    • 47
    • 66

    Rain Likely

    • 45
    • 60

    Rain Showers

    • 47
    • 62

    Slight Chance Rain

    • 48
    • 65

    Mostly Cloudy

    • 50
    • 68

    Mostly Cloudy

Today 12 May Island County

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 12 May Island County

Mostly cloudy in the Evening, then a chance of rain after midnight. Cloudy with rain likely late in the night. Rainfall Amounts less than a tenth of an inch likely. Lows near 50. West wind to 10 Mph becoming southwest after midnight.

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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

    58.8 °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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