Biscayne National Park Weather Forecast

    • 80
    • 87

    Thunderstorms Likely

    • 78
    • 87

    Thunderstorms Likely

    • 78
    • 87

    Rain Showers

    • 79
    • 87

    Rain Showers

    • 79
    • 88

    Rain Showers

    • 79
    • 89

    Rain Showers

Today 17 Sep Coastal Miami Dade County

Showers likely. A chance of Thunderstorms this Morning, then Thunderstorms likely this afternoon. Highs in the upper 80s. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 17 Sep Coastal Miami Dade County

Partly cloudy in the Evening, then clearing. A chance of Showers and Thunderstorms. Humid with Lows in the upper 70s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Biscayne National Park Temperature Statistics

September Temperature

Miami, Opa Locka Airport (8.7 miles)

  • Lowest 7 September, 2026

    73.7 °F

  • Average September

    83.6 °F

  • Highest 3 September, 2026

    92.6 °F

Climate (2021–2026)

Miami, Opa Locka Airport (8.7 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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