Biscayne Bay - MacArthur Causeway Weather Forecast

    • 79
    • 88

    Thunderstorms Likely

    • 83
    • 87

    Chance Thunderstorms

    • 83
    • 89

    Chance Thunderstorms

    • 82
    • 89

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

    • 81
    • 89

    Slight Chance Thunderstorms

Today 22 Jul Coastal Miami Dade County

Partly sunny. Showers likely with a chance of Thunderstorms this afternoon. Highs in the lower 90s. Temperature falling into the mid 80s this afternoon. South Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 22 Jul Coastal Miami Dade County

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Biscayne Bay - MacArthur Causeway Temperature Statistics

July Temperature

Miami, Miami International Airport (8.1 miles)

  • Lowest 4 July, 2025

    74.6 °F
  • Average July

    83.8 °F
  • Highest 7 July, 2025

    92.6 °F

Climate (2020–Present)

Miami, Miami International Airport (8.1 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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