Big Spanish Channel - Mayo Key Weather Forecast

    • 73
    • 79

    Mostly Cloudy

    • 74
    • 79

    Mostly Cloudy

    • 75
    • 82

    Partly Sunny

    • 75
    • 82

    Mostly Sunny

    • 75
    • 83

    Mostly Sunny

    • 66
    • 81

    Partly Sunny

Today 5 Nov Monroe Lower Keys

Mostly Cloudy, then becoming partly sunny in the afternoon. Highs in the upper 70s. Northeast to east Winds 10 to 15 Mph.

Tonight 5 Nov Monroe Lower Keys

Mostly cloudy. Lows in the lower to mid 70s. Northeast Winds near 10 Mph.

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Big Spanish Channel - Mayo Key Temperature Statistics

November Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 1 November, 2025

    71.1 °F

  • Average November

    75.3 °F

  • Highest 3 November, 2025

    81 °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

    80 °F

  • Average High 2020–2025

    85.1 °F
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