Big Lostmans Bay Weather Forecast

    • 44
    • 77

    Chance Rain Showers

    • 52
    • 67

    Partly Sunny

    • 58
    • 75

    Mostly Sunny

    • 64
    • 77

    Mostly Cloudy

    • 63
    • 79

    Chance Rain Showers

    • 62
    • 79

    Slight Chance Rain Showers

Today 18 Jan Mainland Monroe

Patchy fog this morning. Partly sunny with a chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the upper 70s. Temperature falling into the lower 70s this afternoon. South Winds around 5 Mph, increasing to west 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Chance of rain 40 percent.

Tonight 18 Jan Mainland Monroe

Partly cloudy in the Evening, then clearing. Much cooler. Less humid with Lows in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lostmans Bay Temperature Statistics

January Temperature

Miami, Kendall-Tamiami Executive Airport (40.4 miles)

  • Lowest 1 January, 2026

    39 °F

  • Average January

    67.1 °F

  • Highest 11 January, 2026

    82.9 °F

Climate (2021–Present)

Miami, Kendall-Tamiami Executive Airport (40.4 miles)

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  • Average Low 2021–2026

    69.3 °F

  • Average 2021–2026

    77.3 °F

  • Average High 2021–2026

    85.8 °F
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