Big Spanish Channel - Mayo Key Weather Forecast

    • 80
    • 89

    Chance Rain Showers

    • 80
    • 90

    Chance Rain Showers

    • 80
    • 90

    Slight Chance Thunderstorms

    • 80
    • 90

    Slight Chance Thunderstorms

    • 81
    • 89

    Slight Chance Thunderstorms

    • 81
    • 90

    Partly Sunny

Today 10 Jun Monroe Lower Keys

Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the mid to upper 80s. East to southeast Winds 5 to 10 Mph, increasing to near 10 Mph. Chance of rain 50 percent.

Tonight 10 Jun Monroe Lower Keys

Mostly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 80s. East to southeast Winds near 10 Mph, decreasing to 5 to 10 Mph. Chance of rain 20 percent.

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Big Spanish Channel - Mayo Key Temperature Statistics

June Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 3 June, 2026

    74.6 °F

  • Average June

    83.1 °F

  • Highest 2 June, 2026

    90.6 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (19.3 miles)

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  • Average Low 2021–2026

    75.3 °F

  • Average 2021–2026

    80 °F

  • Average High 2021–2026

    85 °F
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