Marathon Weather Forecast

    • 80
    • 88

    Chance Thunderstorms

    • 81
    • 89

    Chance Thunderstorms

    • 81
    • 90

    Chance Thunderstorms

    • 81
    • 90

    Chance Rain Showers

    • 83
    • 90

    Chance Rain Showers

    • 83
    • 90

    Slight Chance Thunderstorms

Today 21 Jul Monroe Middle Keys

Partly cloudy with a chance of Showers and Thunderstorms. Highs near 90. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 21 Jul Monroe Middle Keys

Partly cloudy with a chance of Showers and Thunderstorms. Lows near 80. East Winds near 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon Temperature Statistics

July Temperature

Marathon, Marathon Airport (2.5 miles)

  • Lowest 12 July, 2019

    75 °F

  • Average July

    86 °F

  • Highest 4 July, 2019

    93.9 °F

Climate (2010–Present)

Marathon, Marathon Airport (2.5 miles)

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  • Average Low 2010–Present

    75.1 °F

  • Average 2010–Present

    79.4 °F

  • Average High 2010–Present

    84.5 °F
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