Marathon Weather Forecast

    • 75
    • 83

    Mostly Sunny

    • 76
    • 84

    Partly Sunny

    • 76
    • 84

    Partly Sunny

    • 77
    • 85

    Mostly Sunny

    • 79
    • 85

    Mostly Sunny

    • 79
    • 87

    Mostly Sunny

Today 4 Apr Monroe Middle Keys

Mostly sunny. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 4 Apr Monroe Middle Keys

Mostly clear. Lows in the mid 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon Temperature Statistics

April Temperature

Marathon, Marathon Airport (2.5 miles)

  • Lowest 1 April, 2020

    73 °F
  • Average April

    78.9 °F
  • Highest 1 April, 2020

    82.9 °F

Climate (2010–Present)

Marathon, Marathon Airport (2.5 miles)

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  • Average Low 2010–Present

    75.3 °F
  • Average 2010–Present

    79.6 °F
  • Average High 2010–Present

    84.8 °F
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