Vaca Key - Fat Deer Key Bridge Weather Forecast

    • 83
    • 89

    Chance Thunderstorms

    • 83
    • 89

    Chance Thunderstorms

    • 82
    • 89

    Chance Thunderstorms

    • 83
    • 89

    Chance Thunderstorms

    • 83
    • 89

    Chance Thunderstorms

    • 83
    • 90

    Chance Thunderstorms

    • 83
    • 90

    Chance Thunderstorms

Today 3 Sep Monroe Middle Keys

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. South to southwest Winds near 5 Mph, becoming variable. Chance of rain 20 percent.

Tonight 3 Sep Monroe Middle Keys

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 80s. South to southwest Winds near 5 Mph, becoming east to southeast. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vaca Key - Fat Deer Key Bridge Temperature Statistics

September Temperature

The Florida Keys - Marathon International Airport (0.6 miles)

  • Lowest 1 September, 2026

    82 °F

  • Average September

    86.5 °F

  • Highest 1 September, 2026

    91 °F

Climate (2021–2026)

The Florida Keys - Marathon International Airport (0.6 miles)

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  • Average Low 2021–2026

    75.5 °F

  • Average 2021–2026

    80.1 °F

  • Average High 2021–2026

    85.1 °F
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