Key Largo - South Sound Weather Forecast

    • 70
    • 79

    Partly Sunny

    • 71
    • 82

    Chance Rain Showers

    • 69
    • 82

    Slight Chance Rain Showers

    • 72
    • 81

    Partly Sunny

    • 71
    • 81

    Partly Sunny

    • 70
    • 81

    Partly Sunny

Today 17 Dec Monroe Upper Keys

Mostly sunny. Highs in the upper 70s. East Winds 10 to 15 Mph.

Tonight 17 Dec Monroe Upper Keys

Partly cloudy with a slight chance of Showers. Lows in the lower 70s. East Winds 10 to 15 Mph. Chance of rain 10 percent.

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Key Largo - South Sound Temperature Statistics

December Temperature

Homestead Air Reserve Base (26.1 miles)

  • Lowest 11 December, 2025

    57.7 °F

  • Average December

    74 °F

  • Highest 8 December, 2025

    86.4 °F

Climate (2020–Present)

Homestead Air Reserve Base (26.1 miles)

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  • Average Low 2020–2025

    71 °F

  • Average 2020–2025

    77.2 °F

  • Average High 2020–2025

    84 °F
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