Key Largo - Rock Harbor Weather Forecast

    • 80
    • 86

    Rain Showers Likely

    • 79
    • 86

    Rain Showers Likely

    • 80
    • 86

    Rain Showers Likely

    • 80
    • 87

    Rain Showers Likely

    • 79
    • 87

    Rain Showers Likely

    • 78
    • 86

    Rain Showers Likely

    • 78
    • 85

    Chance Thunderstorms

Today 7 Sep Monroe Upper Keys

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds near 5 Mph. Chance of rain 50 percent.

Tonight 7 Sep Monroe Upper Keys

Partly to mostly cloudy with a chance of Showers and Thunderstorms. Lows near 80. Southwest Winds near 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Key Largo - Rock Harbor Temperature Statistics

September Temperature

Homestead Air Reserve Base (29.2 miles)

  • Lowest 5 September, 2025

    76.8 °F

  • Average September

    81.4 °F

  • Highest 5 September, 2025

    89.8 °F

Climate (2020–Present)

Homestead Air Reserve Base (29.2 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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