Boot Key Harbor Bridge Weather Forecast

    • 70
    • 79

    Chance Rain Showers

    • 66
    • 78

    Partly Sunny

    • 68
    • 76

    Mostly Sunny

    • 71
    • 79

    Partly Sunny

    • 71
    • 81

    Chance Rain Showers

    • 70
    • 80

    Chance Rain Showers

    • 70
    • 79

    Partly Sunny

Today 9 Dec Monroe Middle Keys

Showers likely. Highs in the upper 70s. Northeast Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 9 Dec Monroe Middle Keys

Mostly cloudy with a chance of Showers, mainly this evening. Lows in the lower 70s. Northeast Winds 10 to 15 Mph, decreasing to near 10 Mph. Chance of rain 40 percent.

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Boot Key Harbor Bridge Temperature Statistics

December Temperature

The Florida Keys - Marathon International Airport (3.7 miles)

  • Lowest 5 December, 2025

    73 °F

  • Average December

    78.7 °F

  • Highest 1 December, 2025

    82 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (3.7 miles)

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  • Average Low 2020–2025

    75.3 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.1 °F
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