Key Largo - Largo Sound Weather Forecast

    • 70
    • 79

    Mostly Cloudy

    • 69
    • 81

    Rain Showers Likely

    • 66
    • 81

    Chance Rain Showers

    • 66
    • 77

    Partly Sunny

    • 67
    • 76

    Partly Sunny

    • 71
    • 79

    Partly Sunny

    • 71
    • 81

    Mostly Cloudy

Today 12 Dec Monroe Upper Keys

Partly sunny. Highs in the upper 70s. Northeast to east Winds near 10 Mph.

Tonight 12 Dec Monroe Upper Keys

Partly cloudy with a slight chance of Showers. Lows near 70. Northeast to east Winds near 10 Mph. Chance of rain 10 percent.

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  • Temperature Real-Time

Key Largo - Largo Sound Temperature Statistics

December Temperature

Homestead Air Reserve Base (24.2 miles)

  • Lowest 4 December, 2025

    65.3 °F

  • Average December

    75.1 °F

  • Highest 8 December, 2025

    86.4 °F

Climate (2020–Present)

Homestead Air Reserve Base (24.2 miles)

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  • Average Low 2020–2025

    71 °F

  • Average 2020–2025

    77.2 °F

  • Average High 2020–2025

    84.1 °F
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