Key Largo - Ocean Reef Harbor Weather Forecast

    • 80
    • 88

    Chance Rain Showers

    • 79
    • 88

    Chance Thunderstorms

    • 78
    • 87

    Rain Showers Likely

    • 79
    • 86

    Rain Showers Likely

    • 79
    • 88

    Rain Showers Likely

    • 79
    • 87

    Rain Showers Likely

Today 15 Sep Monroe Upper Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs in the upper 80s. East to southeast Winds near 5 Mph. Chance of rain 30 percent.

Tonight 15 Sep Monroe Upper Keys

Partly cloudy with a chance of Showers. Lows near 80. Northeast to east Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Key Largo - Ocean Reef Harbor Temperature Statistics

September Temperature

Homestead Air Reserve Base (13.7 miles)

  • Lowest 12 September, 2025

    74.1 °F

  • Average September

    81.2 °F

  • Highest 8 September, 2025

    90.1 °F

Climate (2020–Present)

Homestead Air Reserve Base (13.7 miles)

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  • Average Low 2020–2025

    71.1 °F

  • Average 2020–2025

    77.2 °F

  • Average High 2020–2025

    84.1 °F
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