Cape Sable Weather Forecast

    • 74
    • 83

    Partly Sunny

    • 74
    • 82

    Mostly Sunny

    • 74
    • 82

    Mostly Sunny

    • 76
    • 83

    Mostly Sunny

    • 77
    • 84

    Mostly Sunny

    • 73
    • 84

    Chance Thunderstorms

Today 28 Apr Mainland Monroe

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 28 Apr Mainland Monroe

Mostly cloudy with a slight chance of Showers this Evening, then mostly clear after midnight. Lows in the mid 60s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Sable Temperature Statistics

April Temperature

The Florida Keys - Marathon International Airport (26.7 miles)

  • Lowest 11 April, 2026

    72.6 °F

  • Average April

    78.3 °F

  • Highest 18 April, 2026

    83.6 °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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