Big Spanish Channel - Mayo Key Weather Forecast

    • 71
    • 78

    Mostly Cloudy

    • 64
    • 79

    Chance Rain Showers

    • 62
    • 70

    Chance Rain Showers

    • 59
    • 75

    Chance Rain Showers

    • 61
    • 71

    Mostly Cloudy

    • 66
    • 74

    Slight Chance Rain Showers

Today 18 Jan Monroe Lower Keys

Partly sunny. Highs in the mid to upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 18 Jan Monroe Lower Keys

Mostly cloudy. Lows near 70. South to southwest Winds near 5 Mph.

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Big Spanish Channel - Mayo Key Temperature Statistics

January Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 8 January, 2025

    54.6 °F

  • Average January

    68.3 °F

  • Highest 11 January, 2025

    79 °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

    85.3 °F
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