Marathon Weather Forecast

    • 83
    • 91

    Slight Chance Thunderstorms

    • 83
    • 91

    Slight Chance Thunderstorms

    • 83
    • 91

    Chance Rain Showers

    • 83
    • 91

    Chance Rain Showers

    • 83
    • 91

    Chance Rain Showers

    • 83
    • 91

    Chance Rain Showers

    • 83
    • 91

    Chance Rain Showers

Today 2 Aug Monroe Middle Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs near 90. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 2 Aug Monroe Middle Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower 80s. Southeast Winds near 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon Temperature Statistics

August Temperature

The Florida Keys - Marathon International Airport (2.5 miles)

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  • Average August

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Climate (2010–Present)

The Florida Keys - Marathon International Airport (2.5 miles)

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  • Average Low 2010–Present

    75.2 °F

  • Average 2010–Present

    79.5 °F

  • Average High 2010–Present

    84.7 °F
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