Big Spanish Channel - Mayo Key Weather Forecast

    • 55
    • 66

    Mostly Sunny

    • 66
    • 75

    Partly Sunny

    • 69
    • 79

    Mostly Sunny

    • 70
    • 80

    Slight Chance Rain Showers

    • 68
    • 79

    Slight Chance Rain Showers

    • 68
    • 78

    Partly Sunny

Today 24 Feb Monroe Lower Keys

Sunny. Smoke at Times, especially in the lower Keys. Highs in the lower to mid 60s. North to northeast Winds 10 to 15 Mph, decreasing to 5 to 10 Mph.

Tonight 24 Feb Monroe Lower Keys

Mostly clear. Lows in the lower to mid 50s. Northeast Winds near 5 Mph.

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Big Spanish Channel - Mayo Key Temperature Statistics

February Temperature

The Florida Keys - Marathon International Airport (19.3 miles)

  • Lowest 1 February, 2026

    44.7 °F

  • Average February

    67.8 °F

  • Highest 22 February, 2026

    82 °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

    85.1 °F
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