The Florida Keys Marathon Airport Weather Forecast

    • 81
    • 87

    Partly Sunny

    • 80
    • 88

    Mostly Sunny

    • 79
    • 89

    Mostly Sunny

    • 78
    • 88

    Slight Chance Thunderstorms

    • 80
    • 88

    Mostly Sunny

    • 81
    • 88

    Chance Rain Showers

Today 8 May Monroe Middle Keys

Mostly sunny. Highs in the upper 80s. East to southeast Winds 10 to 15 Mph.

Tonight 8 May Monroe Middle Keys

Partly cloudy. Lows near 80. East to southeast Winds near 15 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

The Florida Keys Marathon Airport Temperature Statistics

May Temperature

The Florida Keys - Marathon International Airport (0 miles)

  • Lowest 1 May, 2024

    75.7 °F

  • Average May

    81.1 °F

  • Highest 2 May, 2024

    85.6 °F

Climate (2019–Present)

The Florida Keys - Marathon International Airport (0 miles)

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  • Average Low 2019–2024

    75.4 °F

  • Average 2019–2024

    80 °F

  • Average High 2019–2024

    85.4 °F
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