Key Largo - Ocean Reef Harbor Weather Forecast

    • 80
    • 88

    Rain Showers Likely

    • 80
    • 88

    Rain Showers

    • 80
    • 88

    Rain Showers Likely

    • 80
    • 89

    Rain Showers Likely

    • 79
    • 88

    Rain Showers Likely

    • 79
    • 88

    Rain Showers Likely

Today 22 Sep Monroe Upper Keys

Showers likely with a chance of Thunderstorms. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 22 Sep Monroe Upper Keys

Showers likely with a chance of Thunderstorms. Lows in the upper 70s. South Winds 10 to 15 Mph. Chance of rain 70 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 6 September, 2026

    75 °F

  • Average September

    82.5 °F

  • Highest 3 September, 2026

    91.2 °F

Climate (2021–2026)

Homestead Air Reserve Base (13.7 miles)

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  • Average Low 2021–2026

    71.1 °F

  • Average 2021–2026

    77.2 °F

  • Average High 2021–2026

    84.1 °F
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