Marathon Weather Forecast

    • 77
    • 83

    Chance Rain Showers

    • 77
    • 82

    Chance Rain Showers

    • 76
    • 82

    Slight Chance Thunderstorms

    • 76
    • 81

    Mostly Sunny

    • 76
    • 81

    Mostly Sunny

    • 75
    • 82

    Partly Sunny

Today 3 Nov Monroe Middle Keys

Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the lower 80s. East Winds near 10 Mph. Chance of rain 30 percent.

Tonight 3 Nov Monroe Middle Keys

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the upper 70s. East Winds near 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon Temperature Statistics

November Temperature

The Florida Keys - Marathon International Airport (2.5 miles)

  • Lowest 1 November, 2026

    75 °F

  • Average November

    79.6 °F

  • Highest 1 November, 2026

    81 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (2.5 miles)

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  • Average Low 2021–2026

    75.6 °F

  • Average 2021–2026

    80.2 °F

  • Average High 2021–2026

    85.1 °F
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