Big Spanish Channel - Mayo Key Weather Forecast

    • 71
    • 79

    Mostly Sunny

    • 71
    • 80

    Mostly Sunny

    • 72
    • 80

    Mostly Sunny

    • 71
    • 80

    Mostly Sunny

    • 71
    • 79

    Mostly Sunny

    • 72
    • 80

    Mostly Sunny

Today 19 Nov Monroe Lower Keys

Partly Sunny, becoming mostly sunny. Highs in the upper 70s. Northeast to east Winds near 10 Mph.

Tonight 19 Nov Monroe Lower Keys

Mostly clear. Lows in the lower 70s. Northeast to east 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 11 November, 2025

    55 °F

  • Average November

    73.2 °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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