Duck Key Weather Forecast

    • 68
    • 78

    Mostly Cloudy

    • 69
    • 79

    Partly Sunny

    • 69
    • 80

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 61
    • 69

    Partly Sunny

    • 59
    • 71

    Partly Sunny

Today 23 Jan Monroe Middle Keys

Partly sunny this Morning, then becoming mostly sunny. A slight chance of Showers. Highs near 80. Northeast Winds 5 to 10 Mph. Chance of rain 10 percent.

Tonight 23 Jan Monroe Middle Keys

Partly cloudy with a slight chance of Showers. Lows in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duck Key Temperature Statistics

January Temperature

The Florida Keys - Marathon International Airport (8.7 miles)

  • Lowest 16 January, 2026

    51.1 °F

  • Average January

    69.9 °F

  • Highest 9 January, 2026

    81 °F

Climate (2021–Present)

The Florida Keys - Marathon International Airport (8.7 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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