Biscayne Bay - MacArthur Causeway Weather Forecast

    • 78
    • 84

    Chance Rain Showers

    • 78
    • 85

    Chance Rain Showers

    • 77
    • 85

    Chance Rain Showers

    • 77
    • 85

    Chance Rain Showers

    • 76
    • 85

    Chance Rain Showers

    • 74
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    Slight Chance Thunderstorms

Today 28 Oct Coastal Miami Dade County

Mostly sunny with a chance of Showers with a slight chance of Thunderstorms. Humid with Highs in the mid 80s. Northeast Winds 10 to 15 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 28 Oct Coastal Miami Dade County

Partly cloudy with a chance of Showers. Humid with Lows in the upper 70s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Biscayne Bay - MacArthur Causeway Temperature Statistics

October Temperature

Miami, Miami International Airport (8.1 miles)

  • Lowest 21 October, 2026

    70.6 °F

  • Average October

    82.4 °F

  • Highest 10 October, 2026

    91.7 °F

Climate (2021–2026)

Miami, Miami International Airport (8.1 miles)

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  • Average Low 2021–2026

    72.6 °F

  • Average 2021–2026

    78.7 °F

  • Average High 2021–2026

    85.7 °F
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