Biscayne Bay - Key Biscayne Yacht Club Weather Forecast

    • 80
    • 87

    Chance Thunderstorms

    • 79
    • 86

    Rain Showers

    • 80
    • 84

    Thunderstorms

    • 80
    • 86

    Thunderstorms Likely

    • 81
    • 86

    Thunderstorms Likely

    • 81
    • 87

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

Today 16 Sep Coastal Miami Dade County

Mostly sunny. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Sep Coastal Miami Dade County

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Biscayne Bay - Key Biscayne Yacht Club Temperature Statistics

September Temperature

Miami, Miami International Airport (10.6 miles)

  • Lowest 13 September, 2025

    73.9 °F

  • Average September

    81.2 °F

  • Highest 2 September, 2025

    93 °F

Climate (2020–Present)

Miami, Miami International Airport (10.6 miles)

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  • Average Low 2020–2025

    72.7 °F

  • Average 2020–2025

    78.6 °F

  • Average High 2020–2025

    85.4 °F
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