Sombrero Key Weather Forecast

    • 68
    • 74

    Chance Rain Showers

    • 67
    • 76

    Breezy

    • 69
    • 76

    Partly Sunny

    • 71
    • 76

    Mostly Sunny

    • 72
    • 77

    Mostly Sunny

    • 72
    • 78

    Mostly Sunny

    • 72
    • 78

    Partly Sunny

Today 18 Mar Monroe Middle Keys

Cloudy with a chance of Showers. Windy, becoming breezy. Highs in the mid 70s. North to northeast Winds near 20 Mph Early, decreasing to 15 to 20 Mph. Chance of rain 40 percent.

Tonight 18 Mar Monroe Middle Keys

Cloudy with a chance of Showers. Breezy Early, becoming windy. Lows in the upper 60s. Northeast Winds 15 to 20 Mph, increasing to near 20 Mph. Chance of rain 40 percent.

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Sombrero Key Temperature Statistics

March Temperature

The Florida Keys - Marathon International Airport (7.5 miles)

  • Lowest 1 March, 2026

    70.6 °F

  • Average March

    78.3 °F

  • Highest 6 March, 2026

    83.6 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (7.5 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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