Biscayne Bay - MacArthur Causeway Weather Forecast

    • 81
    • 90

    Chance Thunderstorms

    • 81
    • 91

    Slight Chance Thunderstorms

    • 81
    • 92

    Partly Sunny

    • 81
    • 91

    Partly Sunny

    • 81
    • 91

    Chance Thunderstorms

    • 82
    • 90

    Slight Chance Thunderstorms

    • 82
    • 90

    Slight Chance Thunderstorms

Today 28 Jul Coastal Miami Dade County

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 106.

Tonight 28 Jul Coastal Miami Dade County

Partly cloudy. Lows in the upper 70s. Southwest Winds 10 to 15 Mph.

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Biscayne Bay - MacArthur Causeway Temperature Statistics

July Temperature

Miami, Miami International Airport (8.1 miles)

  • Lowest 10 July, 2026

    73.7 °F

  • Average July

    86.6 °F

  • Highest 16 July, 2026

    97.6 °F

Climate (2021–2026)

Miami, Miami International Airport (8.1 miles)

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  • Average Low 2021–2026

    72.5 °F

  • Average 2021–2026

    78.6 °F

  • Average High 2021–2026

    85.6 °F
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