Biscayne Bay - MacArthur Causeway Weather Forecast

    • 72
    • 79

    Decreasing Clouds

    • 73
    • 78

    Partly Sunny

    • 72
    • 80

    Mostly Sunny

    • 58
    • 82

    Partly Sunny

    • 62
    • 70

    Partly Sunny

    • 60
    • 72

    Partly Sunny

Today 23 Jan Coastal Miami Dade County

Mostly sunny. A slight chance of Showers in the afternoon. Highs in the upper 70s. North Winds around 5 Mph, becoming east around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 23 Jan Coastal Miami Dade County

Partly cloudy. Lows in the upper 60s. Northeast Winds around 5 Mph.

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Biscayne Bay - MacArthur Causeway Temperature Statistics

January Temperature

Miami, Miami International Airport (8.1 miles)

  • Lowest 16 January, 2026

    45 °F

  • Average January

    68.3 °F

  • Highest 11 January, 2026

    84 °F

Climate (2021–Present)

Miami, Miami International Airport (8.1 miles)

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  • Average Low 2021–2026

    72.6 °F

  • Average 2021–2026

    78.6 °F

  • Average High 2021–2026

    85.5 °F
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