Lostmans River - Second Bay Weather Forecast

    • 60
    • 77

    Becoming Sunny

    • 64
    • 79

    Partly Sunny

    • 68
    • 82

    Mostly Cloudy

    • 63
    • 80

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 66
    • 82

    Partly Sunny

Today 16 Dec Mainland Monroe

Sunny. Highs in the upper 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 16 Dec Mainland Monroe

Mostly clear. Lows around 60. Northeast Winds 10 to 15 Mph.

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Lostmans River - Second Bay Temperature Statistics

December Temperature

Miami, Kendall-Tamiami Executive Airport (45.4 miles)

  • Lowest 11 December, 2025

    54 °F

  • Average December

    72.1 °F

  • Highest 6 December, 2025

    84.9 °F

Climate (2020–Present)

Miami, Kendall-Tamiami Executive Airport (45.4 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    77.3 °F

  • Average High 2020–2025

    85.7 °F
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