The Florida Keys Marathon Airport Weather Forecast

    • 72
    • 81

    Partly Sunny

    • 72
    • 81

    Partly Sunny

    • 72
    • 82

    Mostly Sunny

    • 73
    • 82

    Mostly Sunny

    • 73
    • 80

    Mostly Sunny

    • 73
    • 81

    Mostly Sunny

Today 4 Feb Monroe Middle Keys

Partly sunny. Highs near 80. East Winds near 10 Mph.

Tonight 4 Feb Monroe Middle Keys

Mostly cloudy. Lows in the lower 70s. East Winds near 10 Mph.

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The Florida Keys Marathon Airport Temperature Statistics

February Temperature

The Florida Keys - Marathon International Airport (0 miles)

  • Lowest 1 February, 2025

    68 °F

  • Average February

    72.9 °F

  • Highest 1 February, 2025

    78.1 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (0 miles)

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  • Average Low 2020–2025

    75.3 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.3 °F
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