Sombrero Key Weather Forecast

    • 81
    • 86

    Mostly Cloudy

    • 81
    • 86

    Slight Chance Thunderstorms

    • 81
    • 85

    Partly Sunny

    • 81
    • 86

    Mostly Sunny

    • 81
    • 86

    Slight Chance Thunderstorms

    • 82
    • 86

    Partly Sunny

    • 82
    • 86

    Slight Chance Thunderstorms

Today 12 May Monroe Middle Keys

Partly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 12 May Monroe Middle Keys

Partly to mostly cloudy. Lows near 80. Southeast Winds near 5 Mph, becoming southwest after midnight.

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  • Temperature Real-Time

Sombrero Key Temperature Statistics

May Temperature

The Florida Keys - Marathon International Airport (7.5 miles)

  • Lowest 4 May, 2026

    72.6 °F

  • Average May

    81.3 °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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