Sombrero Key Weather Forecast

    • 80
    • 86

    Slight Chance Thunderstorms

    • 80
    • 85

    Partly Sunny

    • 81
    • 85

    Mostly Sunny

    • 82
    • 86

    Slight Chance Thunderstorms

    • 81
    • 83

    Partly Sunny

    • 81
    • 83

    Slight Chance Thunderstorms

Today 13 May Monroe Middle Keys

Partly Sunny, becoming mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest to west Winds 5 to 10 Mph, increasing to near 10 Mph. Chance of rain 10 percent.

Tonight 13 May Monroe Middle Keys

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the upper 70s. Southwest to west Winds near 15 Mph, becoming west. Chance of rain 30 percent.

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Sombrero Key Temperature Statistics

May Temperature

The Florida Keys - Marathon International Airport (7.5 miles)

  • Lowest 4 May, 2026

    72.6 °F

  • Average May

    81.4 °F

  • Highest 8 May, 2026

    87.7 °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 °F
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