Cape Sable Weather Forecast

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    Slight Chance Thunderstorms

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    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 29 Jun Mainland Monroe

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 29 Jun Mainland Monroe

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the lower 70s. South Winds around 5 Mph, becoming southeast after midnight. Chance of rain 20 percent.

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Cape Sable Temperature Statistics

June Temperature

The Florida Keys - Marathon International Airport (26.7 miles)

  • Lowest 3 June, 2026

    74.6 °F

  • Average June

    84.8 °F

  • Highest 25 June, 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 °F

  • Average High 2021–2026

    85 °F
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