Biscayne Bay - Bay Harbor Islands Weather Forecast

    • 82
    • 90

    Thunderstorms Likely

    • 82
    • 90

    Chance Thunderstorms

    • 82
    • 90

    Thunderstorms

    • 81
    • 90

    Thunderstorms Likely

    • 82
    • 90

    Thunderstorms Likely

    • 81
    • 90

    Thunderstorms Likely

Today 10 Sep Coastal Miami Dade County

Mostly sunny with a chance of Showers and Thunderstorms. Highs around 90. East Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 10 Sep Coastal Miami Dade County

Partly cloudy in the Evening, then becoming mostly clear. A slight chance of Showers and Thunderstorms. Humid with Lows in the lower 80s. East Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Biscayne Bay - Bay Harbor Islands Temperature Statistics

September Temperature

Miami, Opa Locka Airport (9.3 miles)

  • Lowest 7 September, 2026

    73 °F

  • Average September

    82.5 °F

  • Highest 3 September, 2026

    92.6 °F

Climate (2021–2026)

Miami, Opa Locka Airport (9.3 miles)

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  • Average Low 2021–2026

    71.2 °F

  • Average 2021–2026

    78.4 °F

  • Average High 2021–2026

    86 °F
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