Marathon Shores Weather Forecast

    • 72
    • 81

    Partly Sunny

    • 74
    • 82

    Partly Sunny

    • 76
    • 82

    Mostly Sunny

    • 76
    • 84

    Partly Sunny

    • 75
    • 84

    Partly Sunny

    • 74
    • 83

    Partly Sunny

Today 15 Apr Monroe Middle Keys

Partly sunny this Morning, then becoming mostly sunny. Highs in the lower 80s. East Winds 10 to 15 Mph.

Tonight 15 Apr Monroe Middle Keys

Partly cloudy with a slight chance of Showers. Lows in the lower to mid 70s. East Winds near 15 Mph Early, decreasing to 10 to 15 Mph. Chance of rain 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon Shores Temperature Statistics

April Temperature

The Florida Keys - Marathon International Airport (0 miles)

  • Lowest 11 April, 2026

    72.6 °F

  • Average April

    78.2 °F

  • Highest 2 April, 2026

    82.7 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (0 miles)

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  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85 °F
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