Lostmans River - Second Bay Weather Forecast

    • 74
    • 91

    Thunderstorms

    • 74
    • 91

    Thunderstorms

    • 73
    • 91

    Thunderstorms

    • 73
    • 90

    Thunderstorms

    • 73
    • 91

    Thunderstorms

    • 73
    • 90

    Rain Showers

Today 14 Sep Mainland Monroe

Mostly sunny. Numerous Showers and Thunderstorms this afternoon. Highs in the lower 90s. Light and variable Winds, becoming southwest around 5 Mph this afternoon. Chance of rain 70 percent.

Tonight 14 Sep Mainland Monroe

Partly cloudy. Scattered Showers and Thunderstorms in the evening. Humid with Lows in the mid 70s. East Winds around 5 Mph. Chance of rain 50 percent.

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Lostmans River - Second Bay Temperature Statistics

September Temperature

Miami, Kendall-Tamiami Executive Airport (45.4 miles)

  • Lowest 11 September, 2026

    84 °F

  • Average September

    84 °F

  • Highest 11 September, 2026

    84 °F

Climate (2021–2026)

Miami, Kendall-Tamiami Executive Airport (45.4 miles)

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    77.1 °F

  • Average High 2021–2026

    85.8 °F
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