Big Spanish Channel - Mayo Key Weather Forecast

    • 81
    • 92

    Chance Thunderstorms

    • 81
    • 92

    Chance Thunderstorms

    • 80
    • 92

    Chance Thunderstorms

    • 81
    • 92

    Chance Thunderstorms

    • 81
    • 92

    Chance Thunderstorms

    • 82
    • 93

    Chance Thunderstorms

Today 3 Sep Monroe Lower Keys

Partly cloudy with a chance of Showers and Thunderstorms. Highs near 90. Southeast to south Winds near 5 Mph. Chance of rain 30 percent.

Tonight 3 Sep Monroe Lower Keys

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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Big Spanish Channel - Mayo Key Temperature Statistics

September Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

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Climate (2021–2026)

The Florida Keys - Marathon International Airport (19.3 miles)

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  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    80.1 °F

  • Average High 2021–2026

    85.1 °F
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