Cape Sable Weather Forecast

    • 79
    • 86

    Partly Sunny

    • 80
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Rain Showers Likely

    • 79
    • 85

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 85

    Chance Thunderstorms

Today 25 May Mainland Monroe

Sunny. Highs in the lower 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 May Mainland Monroe

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • 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

    81.9 °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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