Missouri Key - Little Duck Key Channel Weather Forecast

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    Rain Showers

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    Rain Showers

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    Rain Showers

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    Thunderstorms

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    Thunderstorms

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    Rain Showers

Today 17 Sep Monroe Lower Keys

Showers likely with a chance of Thunderstorms. Highs in the upper 80s. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 17 Sep Monroe Lower Keys

Showers likely with a chance of Thunderstorms. Lows in the upper 70s. East Winds 10 to 15 Mph, increasing to near 15 Mph late. Chance of rain 70 percent.

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Missouri Key - Little Duck Key Channel Temperature Statistics

September Temperature

The Florida Keys - Marathon International Airport (11.8 miles)

  • Lowest 13 September, 2025

    73.9 °F

  • Average September

    83.4 °F

  • Highest 11 September, 2025

    89.1 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (11.8 miles)

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  • Average Low 2020–2025

    75.4 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.1 °F
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