Big Spanish Channel - Mayo Key Weather Forecast

    • 72
    • 82

    Chance Rain Showers

    • 65
    • 81

    Chance Rain Showers

    • 67
    • 77

    Slight Chance Rain Showers

    • 71
    • 79

    Slight Chance Rain Showers

    • 73
    • 81

    Mostly Sunny

    • 73
    • 81

    Mostly Sunny

Today 26 Nov Monroe Lower Keys

Partly cloudy with a chance of Showers. Highs in the lower 80s. East Winds near 10 Mph, decreasing to 5 to 10 Mph. Chance of rain 30 percent.

Tonight 26 Nov Monroe Lower Keys

Partly cloudy Early, becoming mostly cloudy. A chance of Showers and a slight chance of Thunderstorms. Lows in the lower 70s. East Winds 5 to 10 Mph, becoming northeast to east. Chance of rain 40 percent.

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Big Spanish Channel - Mayo Key Temperature Statistics

November Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 11 November, 2025

    55 °F

  • Average November

    74 °F

  • Highest 8 November, 2025

    84 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (19.3 miles)

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  • Average Low 2020–2025

    75.3 °F

  • Average 2020–2025

    79.9 °F

  • Average High 2020–2025

    85 °F
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