Big Spanish Channel - Mayo Key Weather Forecast

    • 80
    • 90

    Chance Thunderstorms

    • 80
    • 90

    Chance Thunderstorms

    • 81
    • 91

    Chance Rain Showers

    • 81
    • 91

    Chance Rain Showers

    • 81
    • 91

    Chance Rain Showers

    • 81
    • 91

    Slight Chance Thunderstorms

Today 4 Jul Monroe Lower Keys

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds near 5 Mph. Chance of rain 50 percent.

Tonight 4 Jul Monroe Lower Keys

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. Southwest Winds near 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Spanish Channel - Mayo Key Temperature Statistics

July Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 1 July, 2025

    79 °F

  • Average July

    83.1 °F

  • Highest 1 July, 2025

    87.1 °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

    85.2 °F
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