Duck Key Weather Forecast

    • 78
    • 88

    Rain Showers

    • 78
    • 88

    Rain Showers

    • 79
    • 88

    Rain Showers

    • 79
    • 88

    Partly Sunny

    • 79
    • 88

    Rain Showers

    • 79
    • 88

    Rain Showers

    • 79
    • 88

    Rain Showers

Today 18 Oct Monroe Middle Keys

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the upper 70s. Southeast Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duck Key Temperature Statistics

October Temperature

Marathon, Marathon Airport (8.7 miles)

  • Lowest 3 October, 2019

    75.9 °F
  • Average October

    82.4 °F
  • Highest 3 October, 2019

    89.1 °F

Climate (2010–Present)

Marathon, Marathon Airport (8.7 miles)

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  • Average Low 2010–Present

    75.4 °F
  • Average 2010–Present

    79.8 °F
  • Average High 2010–Present

    84.9 °F
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