Cape Sable Weather Forecast

    • 82
    • 89

    Slight Chance Thunderstorms

    • 82
    • 89

    Chance Thunderstorms

    • 81
    • 89

    Rain Showers Likely

    • 82
    • 89

    Rain Showers Likely

    • 81
    • 90

    Thunderstorms Likely

    • 81
    • 89

    Thunderstorms Likely

    • 80
    • 89

    Rain Showers

Today 24 Aug Mainland Monroe

Mostly sunny. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 24 Aug Mainland Monroe

Partly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the mid 70s. East Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Sable Temperature Statistics

August Temperature

The Florida Keys - Marathon International Airport (26.7 miles)

  • Lowest 12 August, 2026

    77 °F

  • Average August

    86.4 °F

  • Highest 1 August, 2026

    91.7 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (26.7 miles)

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  • Average Low 2021–2026

    75.4 °F

  • Average 2021–2026

    80.1 °F

  • Average High 2021–2026

    85.1 °F
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