Duck Key Weather Forecast

    • 80
    • 90

    Chance Rain Showers

    • 81
    • 89

    Rain Showers Likely

    • 83
    • 90

    Chance Rain Showers

    • 83
    • 91

    Slight Chance Thunderstorms

    • 83
    • 91

    Slight Chance Thunderstorms

    • 82
    • 91

    Slight Chance Thunderstorms

Today 22 Jul Monroe Middle Keys

Partly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs near 90. Variable Winds near 5 Mph. Chance of rain 30 percent.

Tonight 22 Jul Monroe Middle Keys

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the lower 80s. Northeast to east Winds near 5 Mph, becoming east to southeast. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duck Key Temperature Statistics

July Temperature

The Florida Keys - Marathon International Airport (8.7 miles)

  • Lowest 14 July, 2025

    75.7 °F

  • Average July

    85.2 °F

  • Highest 13 July, 2025

    93.7 °F

Climate (2020–Present)

The Florida Keys - Marathon International Airport (8.7 miles)

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  • Average Low 2020–2025

    75.3 °F

  • Average 2020–2025

    80 °F

  • Average High 2020–2025

    85.1 °F
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