Cape Sable Weather Forecast

    • 82
    • 89

    Mostly Sunny

    • 82
    • 90

    Mostly Sunny

    • 82
    • 90

    Slight Chance Thunderstorms

    • 82
    • 90

    Slight Chance Thunderstorms

    • 82
    • 90

    Slight Chance Thunderstorms

    • 82
    • 89

    Slight Chance Thunderstorms

Today 13 Jul Mainland Monroe

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 13 Jul Mainland Monroe

Partly cloudy with isolated Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the mid 70s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Cape Sable Temperature Statistics

July Temperature

The Florida Keys - Marathon International Airport (26.7 miles)

  • Lowest 10 July, 2026

    74.6 °F

  • Average July

    86.9 °F

  • Highest 7 July, 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 °F
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