Marathon Weather Forecast

    • 75
    • 83

    Chance Rain Showers

    • 75
    • 82

    Partly Sunny

    • 73
    • 82

    Mostly Sunny

    • 73
    • 79

    Mostly Sunny

    • 72
    • 80

    Partly Sunny

    • 70
    • 78

    Chance Rain Showers

Today 2 Apr Monroe Middle Keys

Partly sunny with a chance of Showers. Breezy. Highs in the lower 80s. East Winds 15 to 20 Mph. Chance of rain 30 percent.

Tonight 2 Apr Monroe Middle Keys

Mostly cloudy with a slight chance of Showers. Breezy. Lows in the mid 70s. East Winds 15 to 20 Mph. Chance of rain 20 percent.

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Marathon Temperature Statistics

April Temperature

The Florida Keys - Marathon International Airport (2.5 miles)

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  • Average April

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Climate (2021–Present)

The Florida Keys - Marathon International Airport (2.5 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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