Cape Sable Weather Forecast

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    Slight Chance Thunderstorms

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    • 87

    Chance Rain Showers

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Chance Thunderstorms

Today 15 May Mainland Monroe

Sunny. Highs in the lower 90s. Northwest Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 15 May Mainland Monroe

Mostly clear. Lows in the upper 60s. West Winds 5 to 10 Mph, becoming east after midnight.

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  • Temperature Real-Time

Cape Sable Temperature Statistics

May Temperature

The Florida Keys - Marathon International Airport (26.7 miles)

  • Lowest 4 May, 2026

    72.6 °F

  • Average May

    81.5 °F

  • Highest 8 May, 2026

    87.7 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (26.7 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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